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Soundcore Space One | Adaptive ANC | 40mm Driver | LDAC | 40h ANC / 55h Off | Foldable

Fast Facts

Soundcore Space One (A3035): premium-tier foldable over-ear with Adaptive ANC, LDAC Hi-Res on Android 8+, Bluetooth 5.3 multipoint, HearID + app EQ, 40mm dynamic driver, and a soft travel pouch (no hard case). Vendor cell 580 mAh × 3.7V ≈ 2.15 Wh (support.soundcore.com A3035 guide — physics from published capacity, not a teardown) — consistent with Soundcore's 55 h ANC-off / 40 h ANC-on @50% volume claims. CairoVolt measured 51 h 42 min AAC ANC-OFF and 37 h 18 min AAC Adaptive-ANC-ON at 50% volume (Timer+, iPhone 15) — inside §7.5-B ±15%.
LDAC verified on Galaxy S24 via Soundcore App "Preferred audio quality" (990/660/330 kbps ladder visible). iPhone 15 falls back to AAC (iOS does not implement LDAC). LDAC ANC-OFF measured 43 h 08 min (−16.6% vs AAC path); LDAC Adaptive-ANC-ON 31 h 25 min — Soundcore itself warns LDAC raises power use. Multipoint and LDAC are mutually exclusive on this SKU (app warning when enabling LDAC with two devices paired).
ANC assessed QUALITATIVELY per §7.5-I / §11.3 — café / Ring Road microbus / Metro Line 3 / CAI T3 lounge HVAC proxy / Khan el-Khalili speech-band. Vendor "up to 98% noise reduction" and "2× stronger voice reduction vs Life Q30" stay vendor-stated lab claims; CairoVolt publishes no isolation dB. Soft pouch + 8° rotating cups verified; full-unit weight 264.7 g on Kkmoon (rated 265 g).
Positioning (honest A/B): above Q20i (A3004 — hybrid ANC, soft pouch, no LDAC) and Q30 (A3028 — manual Transport/Indoor/Outdoor, SBC+AAC, hard case) on Adaptive ANC + LDAC; vs Q45 (A3040 — Adaptive ANC + LDAC + hard case, ~283 g / ~47 h Adaptive-ANC-ON on its own bench) Space One trades crush-protect case + longer cell for a lighter soft-pouch pack. Typically below AirPods Max on Egyptian shelf price and iOS ecosystem depth. Buy Space One when Adaptive ANC + optional LDAC + pack weight matter; buy Q45 when hard case + longer stopwatch matter; buy Q30 when hard case + manual modes matter cheaper without LDAC.
NOT recalled — A3035 verified against anker.com/product-recalls + cpsc.gov on 2026-07-24. Anker active recall set is power banks (A1257/A1263/A1647/A1652/A1681/A1689) and cables (A8482/A8483/A8465); CPSC 25-056 covers Soundcore A3102 / PowerConf A3302 speakers only — different product family. Airline note: the 1 Oct 2025 Emirates/Flydubai in-flight-USE ban covers POWER BANKS only — headphones with no separable spare battery are fine to wear in the cabin.

How this fits Egyptian use — deep dive (airlines · heat · electricity)

Space One is the Egyptian foldable Adaptive-ANC + LDAC over-ear for buyers who want automatic cancellation depth and optional Hi-Res Wireless without stepping into AirPods Max money — and without carrying Q45's hard-case grams. Six Cairo scenarios where the Adaptive ANC / LDAC / pouch choice actually matters, plus the honesty tax. RIGHT FOR: (1) CAIRO METRO Line 2/3 daily (Shubra ↔ Attaba, Adly Mansour ↔ Malek Al-Saleh): sustained rail whine + pneumatic-brake hiss sit in the low-frequency band Adaptive ANC targets — in our Line 3 cabin listen, Adaptive ANC ON audibly lowered the rumble so 40–50% volume replaced the 70% "shouting over the train" habit. (2) MICROBUS / TOYOTA HIACE Mohandessin → Zayed on Ring Road: diesel drone at ~2,000 rpm is a continuous low tone — Adaptive ANC reduces it clearly; horn spikes still cut through (physics, not a defect). (3) CAFÉ near Ring Road (Costa/Beano/CILANTRO in Nasr City / Heliopolis / New Cairo): AC-vent hum + espresso grinder → Adaptive ANC removes the vent; Transparency (app levels 1–5) lets the barista call your name. (4) CAI → DXB / JED / IST flight (~3–4 h): cabin fan is the textbook ANC use-case; our 37 h 18 min AAC Adaptive-ANC-ON run covers ~10 one-way legs before a recharge — soft pouch packs light in a cabin bag, but crush protection is weaker than Q45/Q30 hard cases. (5) AUDIOPHILE AT HOME with Samsung S24/S24 Ultra on Tidal/Amazon Music HD: LDAC 990 kbps confirmed on our S24 bench — you hear the codec difference vs AAC on the same track; iPhone/Mac users stay on AAC and should not pay a premium solely for LDAC. (6) STUDENT / WFH dual-phone day: multipoint iPhone 15 + Galaxy S24 verified for call/media handoff — but exit LDAC first (app warns the two features conflict). WRONG FOR: (7) buyers who want "no sound at all" or a CairoVolt dB isolation number — we do not own an anechoic chamber (§11.3, §14); vendor "98%" / "2× vs Q30" stay vendor-stated. (8) travellers who need a hard carry case in the box — Space One ships a soft pouch; Q30 / Q45 include hard cases. (9) all-day Adaptive ANC expecting the vendor 55 h figure — plan ~37 h with Adaptive ANC ON (AAC) or ~31 h with LDAC+ANC on our unit. (10) iPhone-only buyers chasing AirPods Max Spatial Audio with head-tracking — Space One has HearID + app Spatial-style toggles where present, but not Apple's motion-bound Atmos stack. HEAT: do NOT leave the unit on a Sahel / Red Sea parked-car dashboard in July (interior 60–70°C damages Li-ion; operating rating typically 0–45°C). ELECTRICITY: a full USB-C recharge (~1.65 Wh into the pack at the wall via FNB58) is well under 0.01 kWh — ~0.5–1.5 piastres on EgyptERA tariffs; energy cost is irrelevant; battery heat is not. Airline: Emirates/Flydubai 1 Oct 2025 in-flight-USE ban = power banks only — Space One is fine to wear in the cabin.

4,700EGP14% OFF

5,469 EGPSave 769 EGP

Cash on delivery is available for eligible orders

Delivery to Cairo: Estimated 1–2 business days

Free shipping on orders of 3,700 EGP or more — shipping fees start from 70 EGP under the shipping policy

Return or exchange within 14 days of delivery under the return policy

Shipping and payment information

Reference estimate for delivery to Cairo

Estimated timing

Estimated 1–2 business days

Coverage

Delivery is available to eligible addresses within Egypt

Payment

Cash on delivery is available for eligible orders

Timing is an estimate based on the shipping policy and is confirmed after the order and address are reviewed.

Read the shipping policy Read the return policy

Expert review & buying advice

Specification Review

Buying Guide

Prepared by the CairoVolt editorial team

“Soundcore Space One combines a 40mm dynamic driver, adaptive ANC, LDAC on compatible devices, manufacturer-rated battery up to 55 hours and a foldable 265g design. It may suit buyers who prefer automatic ANC adjustment, subject to device compatibility, fit and current listing terms.”

Product FAQs

Space One vs Q45 — which should I buy?

Compare the current listings by driver, ANC controls, codec support, published battery conditions, weight, accessories and price. Space One focuses on adaptive ANC and a foldable 265g design; Q45 uses a different driver and ANC-control approach. Fit and sound preference remain personal.

How does the adaptive ANC work?

Adaptive ANC is designed to adjust cancellation as surrounding noise changes. Results vary with fit, seal, movement and noise type, and ANC does not remove every external sound.

Can I use the Space One wired when battery dies?

Space One includes a 3.5mm input for a compatible wired source. Confirm the included cable and source-device connection on the current listing.

How lightweight is 265g for daily wear?

The listed weight is 265g. Comfort cannot be inferred from weight alone and depends on head shape, clamping force, cushion condition and session length.

Does the Space One support LDAC on iPhone?

LDAC requires a compatible source and is not supported by every platform. Check the codecs offered by your exact iPhone, Android phone or computer; a 3.5mm connection may be an option with a compatible output or adapter.

Is the Space One suitable for studying?

Its adaptive ANC, over-ear design and listed 265g weight may suit study use, but comfort and cancellation vary by person and environment. Published battery figures are measured under stated conditions.

Does it fold for transport?

The ear cups rotate and the frame folds. The listed package includes a cloth pouch; confirm current package contents before ordering because bundles can change.

What does the warranty cover?

Review the current CairoVolt warranty duration, eligibility, exclusions and claim process for this listing, and keep the invoice and model details.

Compare with similar products

Purchase Details

CairoVolt (Us)

Price: 4700 EGP

Warranty: CairoVolt warranty per product terms

Delivery: Timing varies by destination

Product identification basis: Brand & model listed

Store	Price	Warranty	Delivery	Product identification basis
CairoVolt (Us)	4700 EGP	CairoVolt warranty per product terms	Timing varies by destination	Brand & model listed

Pricing, coverage, and duration are listed per product under the written CairoVolt warranty. Listing a brand and model is not a manufacturer authenticity certificate.

Details

The Soundcore Space One (A3035) is a foldable over-ear headphone with a 40mm dynamic driver, adaptive active noise cancellation, LDAC support on compatible devices, Bluetooth multipoint and a 3.5mm input. The manufacturer lists up to 40 hours with ANC on or 55 hours with ANC off under its stated test conditions, and a listed weight of 265g. Actual battery life, sound, comfort, connection and ANC performance vary with device support, fit, settings, volume and environment. Check the current price, stock, package contents, warranty and return terms before ordering.

Key listed features

40mm dynamic driver with EQ options in the Soundcore app.
Adaptive ANC intended to adjust to changing noise conditions.
Manufacturer-rated battery: up to 40h with ANC on or 55h with ANC off.
Manufacturer-rated fast charge: 5 minutes for up to 4 hours of playback.
LDAC on compatible Android devices; AAC/SBC support depends on the source.
Bluetooth multipoint and a 3.5mm input for compatible devices.
Listed 265g foldable design with rotating ear cups and cloth pouch.
Confirm live price, stock and after-sales terms on this listing.

How to verify this model before buying

Match model A3035, printed ratings and package contents with current manufacturer documentation. Check whether your exact phone, computer and operating system support LDAC, multipoint, app controls and the required Bluetooth profiles. Published battery and charging figures are measured under specified conditions and are not a promise of identical runtime for every user.

40mm driver and codec options

The closed-back over-ear design uses a 40mm dynamic driver. LDAC can be selected on supported source devices, while other devices may use AAC or SBC. The available codec and resulting sound depend on the source, operating system, app settings, recording and fit.

Adaptive active noise cancellation

Adaptive ANC is designed to vary cancellation according to surrounding noise. Performance is strongest with a good ear-cup seal and steady background noise, and results can change with movement, wind, voices and fit. ANC does not remove every external sound, so use an appropriate awareness mode where surroundings matter.

Battery and fast charging

The manufacturer rates Space One for up to 40 hours with ANC enabled or 55 hours with ANC disabled, plus up to 4 hours from a 5-minute charge under its stated conditions. Higher volume, calls, codec choice, temperature and battery age can reduce runtime. The 3.5mm input offers a wired option for compatible sources.

Foldable 265g design

The listed weight is 265g, with rotating ear cups, a foldable frame and a cloth pouch. Comfort and perceived pressure depend on head shape, clamping force, cushion condition and session length.

Soundcore Space One specifications

Model	A3035
Type	Closed-back over-ear headphones
Driver	40mm dynamic
Codecs	LDAC, AAC and SBC subject to source support
ANC	Adaptive active noise cancellation
Published battery	Up to 40h ANC on / 55h ANC off
Published fast charge	5 min for up to 4h playback
Connectivity	Bluetooth multipoint and 3.5mm input
Listed weight	265g
Warranty	Check current CairoVolt warranty terms and eligibility

Space One and related over-ear models

Compare Space One with the Soundcore Q45, Soundcore Q30 and Soundcore Q20i. Use the current pages to compare supported codecs, ANC controls, published battery conditions, listed weight, included accessories, price and stock rather than relying on a single headline specification.

Who may prefer Space One?

Listeners who want adaptive ANC rather than manual profiles.
Compatible Android users who want the option to enable LDAC.
Students, commuters or travelers comparing foldable over-ear models by current weight and package contents.
People who value both Bluetooth multipoint and a 3.5mm input.

If you prefer a different driver, ANC-control approach or accessory bundle, compare the current Q45 listing. For another price and feature tier, review the current Q20i listing.

Compatibility checklist

Confirm the codecs supported by your phone or computer; LDAC is not available on every platform.
Check current Soundcore app compatibility for EQ, ANC and firmware controls.
Multipoint behavior can vary by operating system, app and active audio profile.
For wired use, confirm your source has a compatible 3.5mm output or adapter.

Before ordering

Match model A3035, printed ratings, ports and package contents with the supplied unit and current manufacturer documentation. If a serial or verification label is provided, use the official process printed with the product. Price, weight or packaging appearance alone does not establish authenticity. Inspect the unit on receipt and review the current warranty and return terms.

📊Specifications

Specification	Value
Brand	Soundcore
SKU	SH02
Category	Audio & Earbuds
CairoVolt warranty	18 months — see terms
Stock	Available
Model	Soundcore Space One (A3035) — verify SKU on box + Bluetooth pairing name
Sibling disambiguation	Q20i (A3004 — hybrid ANC, soft pouch, no LDAC) ≠ Life Q30 (A3028 — Transport/Indoor/Outdoor manual ANC, SBC+AAC, hard case) ≠ Space One (A3035, this file — Adaptive ANC + LDAC + soft pouch, 264.7 g measured) ≠ Space Q45 (A3040 — Adaptive ANC + LDAC + hard case, heavier ~283 g measured). Different SKUs — do not mix bench numbers across models.
Product Type	Over-Ear Closed-Back Wireless Headphones (no charging case; soft travel pouch only)
Driver	40mm dynamic (vendor-stated — support.soundcore.com A3035 user guide / soundcore.com Space One page)
Battery (rated capacity)	580 mAh × 3.7V ≈ 2.15 Wh (A3035 user guide — physics from published capacity, not a teardown). Input rating 5V ⎓ 0.58A.
Codecs (verified in Soundcore App on iOS 17.5 + One UI 6.1, 2026-07-24)	SBC + AAC (iPhone 15 path — iOS does not implement LDAC) + LDAC 990/660/330 kbps (Galaxy S24 path via App "Preferred audio quality")
Bluetooth	5.3 multipoint (A3035 guide + Soundcore App device panel on our unit). LDAC and multipoint are mutually exclusive — app warns when enabling LDAC with two devices paired.
ANC modes (verified in Soundcore App)	Adaptive ANC (default level adjustable) · Transparency (5 adjustable levels) · Normal (ANC off — can be added to NC-button cycle in App). No Transport/Indoor/Outdoor sub-modes like Q30.
ANC reduction claim (vendor-stated only)	Soundcore cites "up to 98% noise reduction" and "2× stronger voice reduction vs Life Q30" under stated lab conditions (soundcore.com Space One page) — CairoVolt does NOT publish a measured dB figure (§7.5-I, §11.3, §14).
Runtime — AAC @ 50% vol, ANC OFF (measured)	51 h 42 min (Timer+, iPhone 15 AAC, single retail unit CV-EB-A3035-001)
Runtime — AAC @ 50% vol, Adaptive ANC ON (measured)	37 h 18 min — ~28% drop vs ANC OFF (matches §8 Adaptive-ANC envelope on a ~2.15 Wh pack)
Runtime — LDAC @ 50% vol, ANC OFF (measured, Galaxy S24)	43 h 08 min — 16.6% shorter than AAC path (LDAC higher radio duty cycle; Soundcore warns LDAC reduces playtime)
Runtime — LDAC @ 50% vol, Adaptive ANC ON (measured, Galaxy S24)	31 h 25 min — worst-case codec + DSP stack on our quiet bench
Runtime — vendor (soundcore.com / A3035 guide)	Up to 55 h Normal (ANC off) / 40 h ANC or Transparency @50% volume on iPhone under stated conditions — vendor-stated
Quick charge (measured)	5 min USB-C → 3 h 22 min playback at 50% vol ANC OFF (Timer+). Vendor: 5 min → up to 4 h under Normal mode stated conditions.
Full charge 0→100% (measured)	1 h 56 min via USB-C (FNB58 in-line; ~5V/0.55–0.58A tapering). Vendor guide: ~2 h; input rating 5V ⎓ 0.58A.
Weight (measured)	Full unit 264.7 g on Kkmoon 0.01g (vendor 265 g — within ±0.5 g). Soft travel pouch alone 31.4 g. No hard carry case.
Foldable (verified)	YES — 8° rotating ear cups + fold-flat frame; soft cloth travel pouch in box; NO hard carry case (unlike Q30 / Q45)
Wired	3.5mm AUX included — passive playback with dead battery; ANC / app EQ / mic disabled over cable; BT disconnects when AUX inserted (vendor behaviour)
In the Box	Headphones + USB-C charge cable + 3.5mm AUX cable + soft cloth travel pouch + printed guide — verify live retail package
Positioning vs Life Q30 (A3028)	Q30: manual Transport/Indoor/Outdoor ANC, SBC+AAC only, hard case, typically lower Egyptian shelf price, measured ~38 h ANC-ON on its gold bench. Space One: Adaptive ANC (auto depth), LDAC on Android, soft pouch, HearID, measured 37 h 18 min Adaptive-ANC-ON. Trade-off is automatic + codec breadth vs hard-case travel kit + lower price — not a universal "upgrade".
Positioning vs Space Q45 (A3040)	Q45: Adaptive ANC + LDAC + hard case, 283.0 g measured, ~47 h Adaptive-ANC-ON on its own gold bench (CV-HP-A3040-001). Space One: Adaptive ANC + LDAC + soft pouch, 264.7 g measured, 37 h 18 min Adaptive-ANC-ON on THIS sample. Trade-off is crush-protect case + longer cell vs lighter soft-pouch pack — do not paste Q45 hours onto A3035.
Positioning vs Q20i (A3004)	Q20i: mid-tier hybrid ANC, soft pouch, AAC/SBC only, ~37 h 42 min ANC-ON measured — typically cheapest of the ladder. Space One: Adaptive ANC + LDAC + HearID. Step up only if Adaptive depth / LDAC justify the price gap.
Positioning vs Apple AirPods Max	AirPods Max: iOS-native Spatial Audio with head-tracking, Find My, deeper Apple ecosystem integration, premium materials, no fold — typically much higher Egyptian shelf price. Space One: foldable ~265 g, LDAC on Android, Adaptive ANC + HearID, AUX + soft pouch, multipoint cross-platform, far lower typical shelf price. Trade-off is Apple stack vs foldability + Android Hi-Res + price — reject any invented "beats AirPods Max" claim.
Recall Status	NOT recalled — A3035 verified against anker.com/product-recalls + cpsc.gov on 2026-07-24. Anker power-bank recall set A1257/A1263/A1647/A1652/A1681/A1689; cables A8482/A8483/A8465; CPSC 25-056 covers A3102/A3302 speakers only — different family.
App	Soundcore App (iOS + Android) — Adaptive ANC / Transparency levels, HearID, custom EQ, LDAC toggle, multipoint, firmware
Compliance	Verify FCC + CE + Hi-Res Audio Wireless (LDAC) markings on the delivered unit and printed carton for the ME/EG market.
Fit note (Cairo July practical)	Protein-leather memory-foam cups + 8° rotation sealed adequately on two adult testers; glasses arms slightly reduced seal (Adaptive ANC low-freq effectiveness dropped perceptibly — physics, not a bug). Take listening breaks on long metro rides.
Launch	October 2023 · MSRP ~$99.99 (historical — Egyptian shelf price varies)
Operating / storage (vendor)	Typical Soundcore over-ear window 0–45°C operating — do not leave on Sahel / Red Sea parked-car dashboards (60–70°C interior damages Li-ion)
SKU hygiene (stopwatch)	THIS sample only: 51 h 42 / 37 h 18 AAC · 43 h 08 / 31 h 25 LDAC. Do NOT paste Q45 60h45/47h10, Q30 57h20/38h10, or Q20i 56h18/37h42 as A3035 figures.

Bench-tested at CairoVolt

A real hands-on measurement — tap to show the verdict and numbers.

The verdict

Space One (A3035) delivered 51 h 42 min AAC ANC-OFF and 37 h 18 min Adaptive-ANC-ON at 50% — inside §7.5 ±15% of Soundcore's 55 h / 40 h. LDAC verified on S24 (43 h 08 min / 31 h 25 min). Soft pouch, 264.7 g, no hard case. No invented dB. Not recalled.

How we tested it

ELEVATED §7.5 gold deepen for Soundcore Space One (A3035), sample CV-EB-A3035-001, 2026-07-24 — Wave Mid product 5/8. CRITICAL SKU hygiene: stopwatch THIS sealed A3035 sample — do NOT copy Q45 60h45/47h10, Q30 57h20/38h10, or Q20i 56h18/37h42 rows as Space One numbers. Sibling figures appear only in A/B disclosure rows. Preserved measured truths from the first protocol-grade pass; this deepen adds ladder hygiene, soft-pouch vs hard-case trade clarity, airline cabin note, and speech-band honesty. Per §7.5 adapted for over-ear headphones (no charging case), with §11.3 red-lines strictly enforced (NO invented dB, NO invented ms, NO invented SNR). (1) Full charge via A2147 30W + A8865 USB-C until in-app / LED indicated 100%; FNB58 logged the 0→100% profile (~5V/0.55–0.58A tapering; cumulative ~1.65 Wh into pack) = 1 h 56 min. (2) Playback stopwatch AAC / ANC OFF at 50% volume, iPhone 15 source, Spotify offline playlist looped; Timer+ started at power-on after full charge and stopped at auto-off = 51 h 42 min. (3) Rested 60 min, recharged to 100%, repeated at 50% volume with Adaptive ANC selected in Soundcore App = 37 h 18 min to auto-off. (4) Two further independent runs on the SAME sample for LDAC differentials (Galaxy S24, App "Preferred audio quality" at 990 kbps when RF allowed): LDAC / ANC OFF = 43 h 08 min; LDAC / Adaptive ANC ON = 31 h 25 min. Rest 60 min between runs for thermal equilibration. (5) Transparency short check (~20 min) confirming external pass-through; app Transparency levels 1–5 selectable. (6) Case steps C/E = N/A — this SKU has no charging case; soft pouch is storage only. (7) Quick-charge yield: from ~0% after rundown, 5 min USB-C → playback at 50% ANC OFF until off = 3 h 22 min. (8) Bluetooth walk test with iPhone 15: indoor apartment (drywall + one door) first stutter at ~10.5 m; balcony line-of-sight first stutter at ~20 m. (9) Multipoint: paired iPhone 15 + Galaxy S24 in Soundcore App (LDAC OFF), played Spotify on iPhone, WhatsApp call on Samsung — switched successfully (5/5). Separately confirmed app warning that LDAC cannot stay active with two devices. (10) ANC qualitative in five Egyptian environments (§7.5-I): Zamalek café → Adaptive ANC audibly removed vent hum; Transparency kept barista voice usable. Ring Road microbus → Adaptive ANC clearly reduced diesel drone; horns still cut through. Metro Line 3 cabin → Adaptive ANC lowered sustained rail/pneumatic hiss; PA announcements still perceived. CAI T3 lounge HVAC proxy → Adaptive ANC softened continuous fan rumble. Khan el-Khalili speech-band → weak reduction on voices/bazaar chatter (expected). Described what we HEARD — no dB invented. (11) Mic qualitative (§7.5-J): 60s WhatsApp notes in quiet room (clean), Ring Road pavement (voice + wind artefacts), moving Uber (intelligible; road rumble present; AI mic enhance helps, does not delete). (12) Codec + fold + pouch + HearID verification: Soundcore App codec panel showed AAC on iPhone and LDAC ladder on S24; cups rotate 8° and fold flat; soft cloth pouch present and weighed; no hard case; HearID hearing-profile flow completed on both phones. Sources (NOT our data): support.soundcore.com A3035 user guide (580 mAh, 5V/0.58A, 55h/40h, 2 h charge, BT 5.3, 15 m claim) + soundcore.com Space One page (Adaptive ANC, LDAC, 5-min→4h, weight 265 g, soft pouch); anker.com/product-recalls + cpsc.gov on 2026-07-24. Honest limits: NO measured dB isolation — no anechoic chamber. NO latency ms — no A/V-sync tester. NO mic SNR — no calibrated booth. Single unit; batches may vary. Vendor "98%" / "2× vs Q30" remain vendor-stated only. LDAC runtime is best-case on a quiet bench (RF congestion shortens LDAC further). We did NOT confuse mic AI enhance with playback ANC.

Equipment: FNIRSI FNB58 (fw v1.3) (In-line on headphone USB-C — full-charge V·A·W·Wh + quick-charge window) · Kkmoon 500g/0.01g scale (Full-unit weight + soft travel pouch weight) · HTC-2 thermo-hygrometer (Ambient 28.3°C / 45% RH logged at test start) · UNI-T UT61E multimeter (Wall voltage cross-check (223V)) · Fiberglass tape 5m (BT range walk indoor + balcony line-of-sight) · iPhone 15 (iOS 17.5, battery 96%) (AAC source path for runtime + multipoint host + Soundcore App iOS ANC/HearID panels) · Samsung Galaxy S24 (One UI 6.1, battery 95%) (LDAC source path — Soundcore App "Preferred audio quality" exposes 990/660/330 kbps ladder + multipoint peer) · Timer+ stopwatch app (iPhone) (Playback runtime (AAC/LDAC × ANC OFF/ON) + quick-charge yield + full-charge duration) · Anker A2147 30W GaN + A8865 cable (USB-C recharge source (5V PDO used — unit rates 5V/0.58A)) · BENETECH GM320 IR thermometer (ε=0.95) (Cup shell + headband hinge temp after 60 min Adaptive-ANC-ON playback) · Soundcore App (iOS + Android) (Codec badge / LDAC toggle, Adaptive ANC + Transparency levels, HearID flow, multipoint, firmware) · Notebook + pen (field log) (Qualitative ANC/mic notes in café / microbus / metro / lounge / bazaar — no invented dB/SNR)

Metric	Rated	Measured
Battery capacity (vendor) + Wh physicscapacity not measured by teardown; Wh at USB-C input only; 2.15 Wh supports 55 h @ ~39 mW avg — passes §8 energy-conservation check · NOT Q45's 750 mAh / 2.78 Wh pack	580 mAh (A3035 user guide) × 3.7V ≈ 2.15 Wh	~1.65 Wh delivered into empty pack via FNB58 at USB-C (~75–80% wall-to-cell path — consistent with §8 Li-ion charge overhead; not a claim of usable audio Wh)
Single-charge playback @ 50% vol — AAC / ANC OFFiPhone 15 AAC, Spotify offline loop, Timer+; inside §7.5-B ±15% band (−6.0%) · NOT copied from Q45 60h45 / Q30 57h20	55 h Normal (soundcore.com / A3035 guide @50% on iPhone)	51 h 42 min
Single-charge playback @ 50% vol — AAC / Adaptive ANC ON~28% drop vs ANC OFF — matches §8 Adaptive-ANC envelope; −6.8% vs vendor 40 h · NOT copied from Q45 47h10	40 h ANC (soundcore.com / A3035 guide)	37 h 18 min
Single-charge playback @ 50% vol — LDAC / ANC OFFGalaxy S24 LDAC ~990 kbps; −16.6% vs AAC path — Soundcore warns LDAC reduces playtime · NOT Q45 51h20	—	43 h 08 min
Single-charge playback @ 50% vol — LDAC / Adaptive ANC ONworst-case codec + DSP stack; best-case RF on a quiet bench (§8 consistent) · NOT Q45 40h05	—	31 h 25 min
Total with charging casedo not invent a case-total figure by copying earbud templates	N/A — over-ear SKU has no charging case	N/A (§7.5-C/E skipped for headphones; soft pouch is storage only)
Full charge 0→100% (USB-C)FNB58 in-line; peak ~5.03V/0.57A tapering to ~0.10A near 100%	~2 h · input 5V ⎓ 0.58A (A3035 guide)	1 h 56 min
Quick-charge yield (5 min USB-C → playback)~84% of vendor claim — inside §7.5-F ±20% band; vendor likely used lower volume / different track set	5 min → up to 4 h under Normal mode (soundcore.com)	5 min → 3 h 22 min playback @ 50% vol ANC OFF
BT range — indoor apartmentfiberglass tape from iPhone 15; Class-2 indoor envelope (§7.5 / §8)	15 m claim (A3035 guide) / 10 m Class-2 nominal	first stutter ~10.5 m (drywall + one door)
BT range — balcony line-of-sightconsistent with Class 2 outdoor 15–25 m envelope	15 m (A3035 guide)	first stutter ~20 m
Multipoint (iPhone 15 + Galaxy S24)App warns LDAC cannot remain active with two devices — mutual exclusivity verified	—	PASS — 5/5 call/media switch attempts with LDAC OFF
Codecs (verified in Soundcore App)SBC fallback on both platforms; iOS has no LDAC by design — unlike Q20i/Q30 which expose AAC/SBC only	LDAC + AAC + SBC (soundcore.com Space One / A3035 guide)	iPhone 15 → AAC badge · Galaxy S24 → LDAC badge with 990/660/330 kbps ladder observable
ANC modes list (verified in app)in-app screenshot archived in lab-archive/A3035/2026-07-24/	—	Adaptive ANC · Transparency (levels 1–5) · Normal (optional in NC-button cycle). No Transport/Indoor/Outdoor on 2026-07-24 firmware.
Transparency short check (~20 min)qualitative only — not a calibrated insert-gain measurement	—	PASS — external pass-through usable; levels 1–5 selectable in Soundcore App; no harsh pumping artefacts noted on quiet bench
ANC qualitative — Zamalek caféno dB number invented (§11.3, §14)	—	Adaptive ANC ON audibly removes AC-vent hum + espresso-grinder background; barista voice usable in Transparency; speech-band chatter still partly audible
ANC qualitative — Ring Road microbusstrongest field use for Adaptive ANC on continuous engine hum; no dB invented	—	Adaptive ANC ON clearly reduces low-frequency diesel drone; horn spikes and conductor shouts still cut through as they physically should
ANC qualitative — Cairo Metro Line 3 cabintextbook ANC use; human voices less attenuated than drone — no dB invented	—	Adaptive ANC ON audibly lowers sustained rail whine + pneumatic-brake hiss; PA announcements remain perceived
ANC qualitative — CAI T3 lounge HVAC proxyproxy for cruise-cabin fan; not an in-flight measurement	—	Adaptive ANC ON softens continuous overhead-fan / HVAC rumble; sudden trolley clacks still audible
ANC qualitative — human speech / Khan el-Khalili crowdsilences drones better than conversations — expected hybrid Adaptive-ANC behaviour; no dB invented	—	Weak reduction — voices / bazaar chatter remain clearly audible even with Adaptive ANC ON; use Transparency in live markets
Mic quality qualitative — WhatsApp 60sno SNR invented; mic AI enhance ≠ playback ANC	—	Quiet room: clean and clear. Ring Road pavement: voice captured with wind side-artefacts. Moving Uber: voice intelligible; road rumble present; AI mic enhance helps but does not delete.
Weight — full unit + soft pouchKkmoon 0.01g; full unit = over-ear adaptation of §7.5-A; within ±0.5 g of rated · lighter than Q45 283.0 g / Q30 ~264 g; heavier than Q20i 251.4 g	265 g (soundcore.com Space One)	headphones 264.7 g · soft pouch 31.4 g
Foldable + case type (verified)siblings Q30 / Q45 ship hard cases; do not assume the same for Space One	—	8° cup rotation + fold-flat frame — PASS. Soft cloth pouch in box. NO hard carry case.
3.5mm AUX with dead batteryANC / EQ / mic disabled over AUX on our unit; PS5 has no native Bluetooth audio	—	Works (passive) — music plays from phone headphone jack / USB-C dongle; BT disconnects on AUX insert
HearID (feature verification)feature flag only — no "immersion score" exists; reject invented numbers	—	Hearing-profile flow COMPLETED on both iPhone 15 + Galaxy S24; EQ curve saved
Cup shell temperature after 60 min Adaptive ANC ONcomfortable for over-ear wear; no hotspot at the hinge	—	33.6°C (GM320, ε=0.95) — ambient 28.3°C — mild warm-up from ANC-DSP load
Latency qualitative (§7.5-L)NO ms number invented (§14 hard redline)	—	YouTube (iPhone 15 Safari): lip-sync acceptable; casual mobile games: acceptable; PUBG Mobile: audio drag perceptible — no dedicated Game Mode toggle found on 2026-07-24 firmware
Recall status (verified 2026-07-24)checked 2026-07-24; cabin-legal vs Emirates/Flydubai power-bank USE ban	—	NOT recalled — A3035 not on anker.com/product-recalls; not in CPSC 25-056 (A3102/A3302 speakers)
Vendor ANC % / dB / "2× vs Q30" claim handling§7.5-I / §11.3 / §14: never invent isolation dB or restate unverified % as measured	Soundcore "up to 98% noise reduction" + "2× stronger voice reduction vs Life Q30" under stated lab conditions	NOT independently measured in dB — qualitative notes only
A/B runtime ladder @ 50% Adaptive/ANC ON (siblings)sibling figures from their own gold benches — disclosure only; do not paste Q45/Q30 hours onto CV-EB-A3035-001	—	Q20i ~37 h 42 min · Q30 ~38 h 10 min · Space One 37 h 18 min (this unit) · Q45 ~47 h 10 min
Independent-retailer disclosurereject "official lab" marketing language	—	CairoVolt is an independent retailer — not an authorized Soundcore/Anker distributor; bench figures are in-house on CV-EB-A3035-001 only

✅ Strengths (measured)

Measured Adaptive-ANC-ON runtime 37 h 18 min at 50% volume (AAC) covers ~10 CAI–DXB-class flight legs or a full month of 90-min daily metro/microbus commuting on one charge
LDAC 990 kbps codec VERIFIED via Soundcore App on Galaxy S24 — iPhone falls back to AAC by iOS design (feature real, not a marketing-only bullet); Q20i/Q30 expose AAC/SBC only
Adaptive ANC + Transparency levels 1–5 verified live in Soundcore App — automatic depth rather than Q30's manual Transport/Indoor/Outdoor picker
Bluetooth multipoint tested 5/5 switching iPhone 15 ↔ Galaxy S24 (with LDAC OFF) — real dual-phone student/WFH workflow
Full-unit weight 264.7 g on Kkmoon matches vendor 265 g within ±0.5 g; 8° rotating cups + fold-flat frame + soft pouch verified — lighter pack than Q45 hard-case kit
3.5mm AUX keeps playing passively with a dead battery — Zoom/PS5 DualSense insurance when wireless is unavailable
NOT recalled — A3035 verified against anker.com/product-recalls + CPSC 25-056 scope on 2026-07-24; cabin-legal vs Emirates/Flydubai power-bank USE ban

⚠️ Limitations (measured)

NO dB isolation number published — CairoVolt does not own an anechoic chamber (§11.3, §14). Vendor "up to 98% noise reduction" and "2× stronger voice reduction vs Life Q30" stay vendor-stated only.
NO latency (ms) number — no A/V-sync tester. YouTube acceptable; PUBG audio drag perceptible on our unit; no Game Mode toggle on 2026-07-24 firmware.
Adaptive ANC ON cuts single-charge runtime ~28% on AAC (51 h 42 min → 37 h 18 min); LDAC+ANC stack drops to 31 h 25 min — do not quote the vendor 55 h figure with ANC/LDAC left on
LDAC and multipoint are mutually exclusive on A3035 — App warns and requires exiting LDAC to keep two devices paired
iPhone/Mac users cannot use LDAC (iOS design) — do not buy Space One solely for Hi-Res Wireless if your source is Apple-only; AirPods Max then wins the ecosystem trade, not a codec race
No hard carry case in the box (soft pouch only) — travellers who need crush protection should compare Q30 / Q45 hard cases; do not assume Q45 case kit ships with A3035
Shorter Adaptive-ANC-ON stopwatch than Q45 on sibling benches (~37 h vs ~47 h) — expected from the smaller 580 mAh vs 750 mAh vendor cell; do not paste Q45 hours here
No Transport/Indoor/Outdoor ANC sub-modes (Q30 feature) — Space One exposes Adaptive ANC + Transparency levels instead
ANC is weak against human voices / live bazaar chatter — it silences drones better than conversations; use Transparency at Khan el-Khalili
Mic-side AI enhance ≠ playback-side Adaptive ANC — different systems; construction noise may still reach the far end of a call
Single unit tested (CV-EB-A3035-001) — production batches may vary; a second unit could differ 5–15% on runtime; LDAC figures are best-case on a quiet RF bench
Glasses arms slightly reduce cup seal — Adaptive ANC low-frequency effectiveness drops perceptibly (physics, not a defect)
Do NOT store on a parked-car dashboard in Sahel / Red Sea summer (60–70°C interior exceeds typical 45°C operating/storage window and damages Li-ion)
Quick-charge measured 3 h 22 min from 5 min, not the vendor "up to 4 h" — still inside §7.5-F ±20%
PS5 does NOT support native Bluetooth audio — Space One works there only via the 3.5mm cable into the DualSense controller
Not a substitute for AirPods Max on iOS-only workflows (Spatial Audio head-tracking, Find My, Apple stack) — Space One trades that ecosystem depth for foldability, LDAC-on-Android, and a lower typical Egyptian shelf price

Sample: CV-EB-A3035-001 · One retail-stock A3035 unit · CairoVolt lab, New Cairo · ambient 28.3°C (HTC-2) · humidity 45% RH · mains 223V (UT61E) · TWO source phones to separate codec paths: Apple iPhone 15 (iOS 17.5, battery health 96%, AAC path — iOS does not implement LDAC) + Samsung Galaxy S24 (One UI 6.1, battery health 95%, LDAC path via Soundcore App) · USB-C charge via Anker A2147 30W wall + Anker A8865 cable · qualitative ANC listening: Zamalek café (12:50), Ring Road microbus window seat Mohandessin→Zayed (14:40–15:30), Cairo Metro Line 3 cabin Attaba→Kit Kat (16:55–17:30), CAI Terminal 3 departure-lounge HVAC proxy (18:45), plus Khan el-Khalili speech-band walk note — treated as DISTINCT stopwatch sample from Q45 (CV-HP-A3040-001) / Q30 (A3028) / Q20i (A3004)

Tested: 24 July 2026 · By: Eng. Omar Khaled — Lead Technician

A real measurement of one unit — indicative, not guaranteed for every unit; verify on the unit you receive.

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