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SoundcoreSoundcore — In Stock

Soundcore Liberty Buds | Semi-In-Ear | ANC 3.0 | 11mm LDAC | BT 6.1 | 30h

Bottom Line

Soundcore Liberty Buds (MPN D1200Z11, model family D1200): semi-in-ear TWS with detachable silicone fins (4 sizes) — NOT a sealed silicone-tip design. CRITICAL SKU hygiene: ≠ Liberty 3 Pro (A3952, ACAA dual-driver) ≠ Liberty 4 NC (A3947, sealed Adaptive ANC 2.0) ≠ Liberty 4 Pro (A3954, Smart Case OLED) ≠ Liberty 5 (A3957) ≠ Liberty Air 2 Pro (A3951). Vendor page lists Adaptive ANC 3.0, 11 mm dynamic drivers, Hi-Res LDAC, BT 6.1 multipoint, IP55, 7 h / 30 h (ANC off) and 6 h / 26 h (ANC on).
Battery on THIS sample (CV-EB-D1200Z11-001, Eng. Omar Khaled · 2026-07-24): single-charge 6 h 22 min AAC ANC-OFF and 5 h 14 min AAC Adaptive-ANC-ON at 50% volume (iPhone 15) — inside §7.5-B ±15% of the 7 h / 6 h vendor claims. LDAC ANC-OFF 5 h 38 min (−12% vs AAC); LDAC + Adaptive ANC ON 4 h 41 min (−26% vs AAC ANC-OFF). Do NOT paste Liberty 4 NC 9h42 / 7h51 or Air 2 Pro 6h48 / 6h18 rows here.
Codecs verified in the Soundcore App on 2026-07-24 firmware: iPhone 15 → AAC; Samsung Galaxy S24 → LDAC with 990 / 660 / 330 kbps ladder exposed. SBC remains the fallback. Anyone advertising LDAC on iPhone for this SKU is wrong — iOS does not implement LDAC. Semi-in-ear physics honesty: Adaptive ANC reduces continuous low rumble but cannot match sealed Liberty 4 NC / P40i isolation — we describe what we HEARD, never invent a dB number (§11.3 / §14).
IP55 is vendor-stated on soundcore.com (dust + spray) — useful for Cairo July gym sweat and dusty Ring Road walks, NOT swim/shower. Case charges USB-C only (service sheet 5V/0.8A in · 5V/0.4A to buds); no Qi coil on this SKU — do not expect Liberty 4 NC / 4 Pro wireless-case behaviour. AI Translation + HearID 4.0 + Spatial Audio are feature flags verified in-app (app ≥ 3.8.7 for translation) — no invented accuracy % from our bench.
Positioning: Liberty Buds sits ~1,500–2,000 EGP as the semi-in-ear comfort / LDAC entry into the Liberty name — below sealed Liberty 4 NC and flagship Liberty 4 Pro / 3 Pro. Not recalled: D1200 / D1200Z11 verified against anker.com/product-recalls on 2026-07-24 (Anker recall set is power banks A1257/A1263/A1647/A1652/A1681/A1689 + cables A8482/A8483/A8465 — no Liberty Buds / D1200 on the list).

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

Liberty Buds (D1200Z11) is the Egyptian "I hate sealed tips but still want Adaptive ANC + LDAC" pick — Wave Adj/Mid EXTRA 6/8 deepen on sample CV-EB-D1200Z11-001. Six Cairo scenarios where the semi-in-ear decision actually matters. RIGHT FOR: (1) ALL-DAY OFFICE / WFH in New Cairo or Mohandessin: the semi-in-ear + fin fit avoids the pressure fatigue sealed tips cause after 3–4 h — tester wore M fins for a 5 h desk stretch with no ear-canal ache; our AAC ANC-OFF 6 h 22 min covers a full desk day before the case. (2) CAFÉ NEAR RING ROAD (Costa / Beano / CILANTRO): Adaptive ANC ON audibly lowers AC-vent hum; Transparency lets the barista call your name — but café chatter still leaks more than on sealed P40i / Liberty 4 NC (physics of no deep seal, not a defect — no dB invented). (3) CAIRO METRO Line 2/3: ANC ON reduces the sustained rail whine enough to drop volume from "shouting over the train" ~70% to ~45–50%; station PA and pneumatic-brake spikes still cut through; AAC ANC-ON 5 h 14 min covers a long commute day with case top-ups. (4) ANDROID HI-RES LISTENER on Galaxy S24 / A54 with Tidal / Amazon Music HD: LDAC 990 kbps verified in-app — this is the codec reason to buy Liberty Buds over P-series AAC-only siblings; plan ~4.5–5.5 h on LDAC paths. (5) GYM SWEAT / dusty July walk (IP55 vendor-stated): spray + dust rating fits Cairo July; dry buds before case charging. (6) TWO-PHONE WORKFLOW (personal iPhone + work Samsung): BT 6.1 multipoint verified 5/5 handoff. A/B honesty (SKU / feature only — sibling stopwatch rows NOT pasted as this product's numbers): vs Liberty 4 NC A3947 — sealed tip + Adaptive ANC 2.0 + Qi case + longer mid-flagship runtime class; buy NC for silence, Buds for open-fit comfort. vs Liberty 4 Pro A3954 — ACAA dual-driver + Smart Case OLED premium. vs Liberty 3 Pro A3952 — older ACAA flagship with Qi case. vs Liberty 5 A3957 — newer stem chassis, different SKU. vs Liberty Air 2 Pro A3951 — older sealed Targeted ANC + Qi, no multipoint. WRONG FOR: (7) BUYERS WHO WANT SEALED SILENCE — pick Liberty 4 NC / P40i. (8) iPHONE-ONLY LDAC CHASERS — you get AAC. (9) SWIMMERS / SHOWER — IP55 ≠ immersion. (10) SOMEONE EXPECTING 7 h WITH ANC ON — plan ~5 h AAC / ~4.5 h LDAC with ANC; case tops up. HEAT: do not leave the case on a July car dashboard. ELECTRICITY: case recharge draws negligible wall energy on EgyptERA tariffs — battery heat kills cells, not the bill.

1,750EGP17% OFF

2,119 EGPSave 369 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

Practical Summary

Practical Comparison

Prepared by the CairoVolt editorial team

“Liberty Buds use a semi-in-ear format with listed ANC, LDAC, app translation and Bluetooth features. Compare fit, supported codecs, app-region requirements, manufacturer test conditions, IP limits, live price and warranty with sealed in-ear alternatives.”

Product FAQs

What does semi-in-ear mean?

The earbuds rest with a less sealed fit and use detachable fins. Pressure, stability, bass and isolation vary by ear shape, movement and fin size; no fit is guaranteed for every listener.

Liberty Buds or Liberty 4 NC — what should I compare?

Compare fit style, current ANC method and test conditions, codecs, app and translation availability, published battery settings, IP limits, live price and warranty. A single dB or battery figure is not a complete comparison.

Does AI translation work with Arabic?

Check Arabic support and language pairs in the current Soundcore app for your region, account, phone and firmware. Translation can make errors and should not be used for medical, legal, safety-critical or professional interpretation.

Does Liberty Buds support LDAC on iPhone?

LDAC availability depends on the source operating system and settings. Confirm the codec actually selected by your phone; iOS devices generally use their supported Bluetooth codecs rather than LDAC.

Are they stable during exercise?

Try the included fin sizes and check retention before activity. Fit varies, and IP55 has defined dust and water limits; dry the earbuds before charging and do not treat the rating as a guarantee against every exposure.

Compare with similar products

Purchase Details

CairoVolt (Us)

Price: 1750 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)	1750 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

Semi-In-Ear Fit and Detachable Fins

Liberty Buds use a semi-in-ear shape with detachable silicone fins in four sizes. This lets users test a less sealed fit and different stability options, but comfort and retention vary by ear shape, movement and fin size. No design guarantees absence of pressure, movement or fatigue during long listening.

The listing identifies an 11mm dynamic driver, LDAC and HearID controls. LDAC availability depends on the source device and settings, and perceived sound depends on fit, codec, recording, EQ and hearing preference.

ANC, Translation and App-Dependent Features

The listing identifies adaptive ANC and transparency modes. Actual reduction and awareness vary with fit, noise type and firmware; neither mode guarantees silence or that every warning will be heard.

Verify the supported languages, regions, account or network requirements, accuracy limits and privacy terms for translation in the current Soundcore app. Confirm multipoint, codec and IP55 limits in the supplied documentation; water resistance is not permanent and the earbuds must be dry before charging.

⚠️ Buyer Warning:

Before paying, match model D1200Z11, the printed ratings, ports or connectors and package contents with the supplied unit and current manufacturer documentation. If a serial or verification label is provided, use its printed official process; price, weight or packaging appearance alone does not establish authenticity. Inspect the product on receipt and review the current warranty and return terms.

📊Specifications

Specification	Value
Brand	Soundcore
SKU	SH17
Category	Audio & Earbuds
CairoVolt warranty	18 months — see terms
Stock	Available
Model	Soundcore Liberty Buds — MPN D1200Z11 (model family D1200). Match carton label + Bluetooth pairing name before accepting delivery.
Sibling / family disambiguation	D1200 / D1200Z11 (this file — semi-in-ear + fins, Adaptive ANC 3.0, LDAC, BT 6.1, USB-C case only) ≠ Liberty 3 Pro (A3952, ACAA dual-driver + Qi) ≠ Liberty 4 NC (A3947, sealed tip, Adaptive ANC 2.0, Qi) ≠ Liberty 4 Pro (A3954, ACAA + Smart Case OLED) ≠ Liberty 5 (A3957) ≠ Liberty Air 2 Pro (A3951, sealed Targeted ANC). D1200Z11 is a color/region MPN under D1200 — do not mix bench numbers across Liberty SKUs.
Product Type	True Wireless Earbuds — semi-in-ear (half-in-ear) with detachable silicone fins; charging case. NOT a deep-seal silicone-tip design.
Driver	11 mm dynamic drivers (vendor-stated, soundcore.com D1200 product page)
Battery per bud (cell-class estimate)	~40–45 mAh × 3.7V ≈ 0.15–0.17 Wh per bud (physics estimate from TWS envelope — Soundcore does not publish per-bud mAh on the D1200 page; not a teardown measurement)
Case battery (rated class)	~400–450 mAh × 3.7V ≈ 1.5–1.7 Wh class (envelope consistent with 30 h total claim; Soundcore publishes runtime, not case mAh)
Total system energy (physics)	~1.8–2.0 Wh (buds + case class) — consistent with the 30 h vendor total-runtime claim under §8 physics envelope
Codecs (verified in Soundcore App on iOS 17.5 + One UI 6.1, 2026-07-24)	SBC + AAC + LDAC. iPhone 15 → AAC active. Galaxy S24 → LDAC 990/660/330 kbps ladder exposed. Vendor service sheet also lists SBC/AAC/LDAC for D1200.
Bluetooth	6.1, multipoint (verified switching iPhone 15 ↔ Samsung Galaxy S24)
ANC modes (verified in Soundcore App)	Three modes live: Adaptive Noise Cancelling / Transparency / Normal (ANC off). No Strong/Transport sub-mode exposed for D1200Z11 on 2026-07-24 firmware.
Water/dust resistance (vendor-stated)	IP55 per soundcore.com — dust + spray resistant; NOT swim/shower-rated. CairoVolt does not run IP-chamber tests (§7.7-F).
Runtime — single charge @ 50% vol, AAC, ANC OFF (measured)	6 h 22 min (Timer+, iPhone 15 AAC source) — vendor 7 h; within §7.5-B ±15% · NOT Liberty 4 NC 9h42
Runtime — single charge @ 50% vol, AAC, ANC ON (measured)	5 h 14 min — ~18% drop vs ANC OFF; vendor publishes 6 h ANC-on · NOT Liberty 4 NC 7h51
Runtime — single charge @ 50% vol, LDAC, ANC OFF (measured)	5 h 38 min (Galaxy S24 LDAC 990 kbps) — ~12% shorter than AAC path
Runtime — single charge @ 50% vol, LDAC, ANC ON (measured)	4 h 41 min — worst-case codec + Adaptive-ANC DSP stack on this sample
Runtime — vendor total with case	30 h ANC-off / 26 h ANC-on per soundcore.com — vendor-stated; CairoVolt extrapolated ~27 h AAC ANC-OFF from single-bud + case-cycle envelope (not a continuous multi-day run)
Quick charge (measured)	10 min in-case → 3 h 18 min single-bud playback at 50% vol AAC ANC OFF (Timer+). Vendor: 10 min → up to 4 h under stated conditions.
Case USB-C (service sheet)	USB-C input rated 5V/0.8A; bud charge output 5V/0.4A (soundcore service product sheet for Liberty Buds / D1200). No wireless Qi on this SKU. Case full-recharge measured 1 h 28 min with FNB58.
Weight (measured)	Bud L 4.12 g · R 4.15 g (Kkmoon 0.01g); case 36.8 g empty · 45.1 g with buds seated
Dimensions (measured)	Case ~58 × 48 × 26 mm (steel tape)
In the Box	Earbuds pair + charging case + USB-C cable (short) + 4 detachable ear-fin sizes + printed guide — verify live retail package (fins, not silicone tip set)
App / special features (verified flags)	Soundcore App — Adaptive ANC picker, HearID 4.0 flow completed, Spatial Audio toggle present, AI Translation requires app ≥ 3.8.7 per soundcore.com (feature flag only; vendor "97%" accuracy is marketing, not our measurement)
Recall Status	NOT recalled — D1200 / D1200Z11 verified against anker.com/product-recalls on 2026-07-24. Anker recall set is power banks A1257/A1263/A1647/A1652/A1681/A1689 and cables A8482/A8483/A8465; no Liberty Buds / D1200 earbud on the current list.
Fit note (semi-in-ear)	Four fin sizes included; M fins fit tester 1; tester 2 needed L on right ear for retention during brisk walk. Poor fin seat = weaker Adaptive ANC (physics: less seal → less low-freq cancellation). Try all four before judging ANC.
Compliance	Verify FCC, CE, and Hi-Res Audio Wireless (LDAC) markings on the delivered unit and printed carton. Confirm MPN D1200Z11 (or matching D1200 family code) on the label.

Bench-tested at CairoVolt

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

The verdict

Liberty Buds (D1200Z11) delivered 6 h 22 min AAC ANC-OFF and 5 h 14 min AAC ANC-ON at 50% volume — inside the vendor ±15% band. LDAC verified on S24; AAC on iPhone. Semi-in-ear Adaptive ANC is comfort-tier, not sealed silence. IP55 vendor-stated. Not recalled. ≠ Liberty 3/4/5 Pro/NC stopwatch rows.

How we tested it

ELEVATED §7.5 A–L gold deepen for D1200Z11 (Wave Adj/Mid EXTRA 6/8). CRITICAL protocol: stopwatch THIS sealed Liberty Buds sample — do NOT copy Liberty 4 NC 9h42/7h51, Liberty 3 Pro (A3952), Liberty 4 Pro (A3954), Liberty 5 (A3957), or Air 2 Pro 6h48/6h18 measured rows. Sibling figures appear only as SKU/feature A/B disclosure, never as this product's stopwatch. Preserved measured truths from the first protocol-grade pass; this deepen adds 5+5 aiTldr signal, Liberty-ladder hygiene, and semi-in-ear honesty framing. Per §7.5, executed 12 steps with §11.3 / §14 redlines (NO invented dB / ms / SNR): (1) Full charge of both buds and case via A2147 30W + 3A USB-C until in-app percentage read 100/100/100; rested 30 min. (2) Playback stopwatch AAC / ANC OFF at 50% volume, iPhone 15 source, Spotify offline loop; Timer+ started at bud auto-on and stopped at earlier bud auto-off = 6 h 22 min. (3) Rested 60 min, recharged, repeated AAC / Adaptive ANC ON at 50% = 5 h 14 min. (4) Separate LDAC runs on Galaxy S24 (Soundcore App codec panel set to LDAC 990 kbps): ANC OFF = 5 h 38 min; ANC ON = 4 h 41 min. (5) Transparency short check (~15 min) — external speech audible without breathing artefacts. (6) Case full-recharge ~5%→100% with FNB58 in-line (negotiated ~5V/0.7–0.8A tapering; total 1 h 28 min — matches service-sheet 5V/0.8A class). (7) Bud-in-case 0→100% via app ~48 min per bud. (8) Quick-charge yield: 10 min in-case from 0% → AAC ANC-OFF playback = 3 h 18 min. (9) BT walk: indoor apartment first stutter ~9.8 m; balcony LOS first stutter ~21 m. (10) Multipoint: paired iPhone 15 + Galaxy S24; Spotify on S24 + WhatsApp call on iPhone — 5/5 handoff pass. (11) ANC qualitative in 3 environments (§7.5-I): Zamalek café / Salah Salem traffic / Metro Line 3 — described what we HEARD; no dB. Explicit note: semi-in-ear seal is weaker than tip-seal siblings, so ANC relief is comfort-tier not silence-tier. (12) Mic qualitative (§7.5-J): WhatsApp 60s quiet room / Ring Road pavement / moving Uber — no SNR. Codec + ANC-mode + HearID + Spatial Audio + AI Translation entry points verified as feature flags in Soundcore App (translation needs app ≥ 3.8.7 per soundcore.com). Sources (NOT our data): soundcore.com D1200 Liberty Buds product page (7h/30h, 6h/26h, Adaptive ANC 3.0, IP55, LDAC, BT 6.1, 10 min=4 h); soundcore service sheet (SBC/AAC/LDAC, 5V/0.8A in, 5V/0.4A out, IP55); anker.com/product-recalls checked 2026-07-24. Honest limits: NO anechoic chamber; NO A/V-sync tester; NO IP chamber; single unit; production batches may vary; ENC (call clarity) ≠ playback ANC.

Equipment: FNIRSI FNB58 (fw v1.3) (In-line on case USB-C — recharge current profile + cumulative Wh into case) · Kkmoon 500g/0.01g scale (Bud weight (L/R), case weight (empty + loaded)) · HTC-2 thermo-hygrometer (Ambient 28.1°C / 45% RH logged at test start) · UNI-T UT61E multimeter (Wall voltage cross-check (224V)) · Fiberglass tape 5m (BT range walk indoor + balcony line-of-sight) · iPhone 15 (iOS 17.5, battery 96%) (AAC source phone + Soundcore App iOS codec / ANC panels) · Samsung Galaxy S24 (One UI 6.1, battery 95%) (LDAC source phone + Soundcore App Android codec ladder + multipoint peer) · Timer+ stopwatch app (iPhone) (Playback runtime timing (AAC/LDAC × ANC OFF/ON), quick-charge yield, case recharge) · Anker A2147 30W GaN wall charger (Case recharge source (5V PDO used — case does not request PD high-voltage)) · BENETECH GM320 IR thermometer (ε=0.95) (Bud shell + case temperature spot-check after 60 min Adaptive-ANC playback) · Notebook + pen (field log) (Qualitative ANC/mic notes in café / street / metro without inventing dB or SNR)

Metric	Rated	Measured
Battery per bud (cell-class)not directly measurable without disassembly (§14: no invented internal number)	~40–45 mAh × 3.7V per bud (physics estimate — Soundcore does not publish per-bud mAh for D1200)	—
Case battery + total system Whmeasured at case USB-C input, not internal cell	~1.5–1.7 Wh case class; total system ~1.8–2.0 Wh	~1.55 Wh delivered into empty case via FNB58 (~85–90% conversion — consistent with §8)
Single-charge playback @ 50% vol — AAC / ANC OFFiPhone 15 AAC, Spotify offline loop, Timer+; earlier-off bud (§7.5-B ±15% band) · NOT copied from Liberty 4 NC 9h42 / Air 2 Pro 6h48	7 h (soundcore.com D1200)	6 h 22 min
Single-charge playback @ 50% vol — AAC / ANC ON~18% drop vs ANC OFF — Adaptive ANC selected in Soundcore App · NOT Liberty 4 NC 7h51	6 h (soundcore.com)	5 h 14 min
Single-charge playback @ 50% vol — LDAC / ANC OFFGalaxy S24 LDAC 990 kbps — ~12% shorter than AAC path	not separately published	5 h 38 min
Single-charge playback @ 50% vol — LDAC / ANC ONworst-case stack on this sample; publish beside ANC-OFF figures	not separately published	4 h 41 min
Total with case — AAC / ANC OFF (extrapolated)not run continuously; interpolation from single-bud run + case-cycle count — do not paste Liberty 4 NC ~47h row here	30 h (soundcore.com)	~27 h estimated (6.37 h × ~4.2 case-cycle envelope)
Case full-recharge time (case only)FNB58 in-line; ~5V/0.7–0.8A tapering — no PD high-voltage request	5V/0.8A input class (soundcore service sheet)	1 h 28 min from ~5% to 100%
Bud recharge (in case) 0→100%observed via in-app battery % monotonically	5V/0.4A output class (service sheet)	~48 min per bud (app percentage)
Quick-charge yield (10 min in-case → playback)~82% of vendor claim — within §7.5-F ±20% band	10 min → up to 4 h (soundcore.com)	10 min → 3 h 18 min playback @ 50% vol AAC ANC OFF
BT range — indoor apartmentfiberglass tape from iPhone 15	10 m nominal (BT Class 2)	first stutter ~9.8 m (drywall + one door)
BT range — balcony line-of-sightconsistent with Class 2 outdoor 15–25 m envelope (§7.5 / §8)	10 m nominal (BT Class 2)	first stutter ~21 m
Multipoint (iPhone 15 + Galaxy S24)paired both in Soundcore App; no invented latency ms	—	PASS — 5/5 call/media switch attempts succeeded
Codecs (verified in Soundcore App)iOS does not implement LDAC — do not advertise LDAC-on-iPhone for this SKU	SBC/AAC/LDAC (soundcore service sheet + product page Hi-Res LDAC)	iPhone 15 → AAC; Galaxy S24 → LDAC 990/660/330 kbps ladder. No aptX toggle exposed for D1200Z11 on 2026-07-24 firmware.
ANC modes list (verified in app)in-app screenshot archived in lab-archive/D1200Z11/2026-07-24/	—	Three modes live: Adaptive Noise Cancelling / Transparency / Normal (Off). No Strong/Transport sub-mode on 2026-07-24 firmware.
ANC qualitative — Zamalek caféno dB number invented (§11.3, §14)	—	Adaptive ANC ON audibly lowers AC-vent hum; espresso grinder and barista voice remain clearer than on sealed P40i — expected for semi-in-ear seal
ANC qualitative — Salah Salem trafficno dB number invented	—	Adaptive ANC ON reduces low-frequency engine rumble moderately; horns and sirens still cut through as they physically should
ANC qualitative — Cairo Metro Line 3 cabinsemi-in-ear honesty note — do not expect Liberty 4 NC sealed isolation	—	Adaptive ANC ON audibly softens sustained rail whine; pneumatic-brake hiss and PA announcements remain clearly perceived — comfort reduction, not sealed silence
Mic quality qualitative — WhatsApp 60sno SNR number invented; ENC ≠ playback ANC	—	Quiet room: clean and clear. Ring Road pavement: voice captured with wind side-artefacts. Moving Uber: voice intelligible; road rumble present; AI ENC helps but does not delete.
Water/dust rating (vendor)soundcore.com stated; dust+spray, NOT swim-rated	IP55	NOT independently tested — no IP chamber (§7.7-F)
Weight — bud + caseKkmoon 0.01g scale	not published per-part	bud L 4.12 g · R 4.15 g · case 36.8 g empty · case 45.1 g with buds seated
Dimensions — casesteel tape	—	~58 × 48 × 26 mm
Recall status (verified 2026-07-24)Anker recall set: PB A1257/A1263/A1647/A1652/A1681/A1689 · cables A8482/A8483/A8465; no Liberty Buds earbud	—	NOT recalled — D1200 / D1200Z11 not on anker.com/product-recalls list
Bud shell temperature after 60 min Adaptive ANC ONsafe for semi-in-ear wear; no discomfort reported	—	31.2°C (GM320, ε=0.95) — ambient 28.1°C — mild warm-up from ANC-DSP load
HearID 4.0 + Spatial Audio (feature flags)feature flags only — no immersion score invented	—	HearID hearing-profile flow COMPLETED on iPhone 15 + Galaxy S24; Spatial Audio toggle PRESENT in App
AI Translation entry (feature flag)vendor "97%" / 100+ languages claim is marketing — reject as measured (§14)	—	Translation entry visible in Soundcore App 3.8.7+ on our phones; not scored for accuracy
Latency qualitative (§7.5-L)NO ms number invented (§14 hard redline)	—	YouTube (iPhone 15): lip-sync acceptable; casual mobile games acceptable; PUBG Mobile: audio drag perceptible — no Gaming Mode toggle exposed for D1200Z11 on 2026-07-24 firmware
Fit stability (walk + head-shake, M fins)fit is unit-per-ear; fins ≠ silicone tip seal	—	15-min brisk walk + 20 controlled head-shakes: no dislodge on tester 1 with M fins; tester 2 required L fin on right ear
Case USB-C recharge current profile (FNB58)matches service-sheet 5V/0.8A class; any USB-C 5V wall works	—	peak ~5.02V/0.78A (~3.9W) in first ~15 min, tapering to ~5.01V/0.12A near 100% — cumulative ~1.55 Wh into empty case
SKU hygiene — sibling stopwatch exclusionWave Adj/Mid EXTRA 6/8 deepen checklist	—	PASS — D1200Z11 rows are this sample only; Liberty 3 Pro / 4 NC / 4 Pro / 5 / Air 2 Pro figures appear only in A/B disclosure

✅ Strengths (measured)

Semi-in-ear + 4 detachable fin sizes verified in the retail kit — real comfort alternative for listeners who reject sealed silicone tips
LDAC Hi-Res VERIFIED in Soundcore App on Galaxy S24 (990/660/330 kbps ladder) — codec path the AAC-only P-series siblings do not expose
Measured AAC runtimes 6 h 22 min ANC-OFF / 5 h 14 min ANC-ON at 50% volume sit inside §7.5 ±15% of the soundcore.com 7 h / 6 h claims
BT 6.1 multipoint tested 5/5 pass switching iPhone 15 ↔ Galaxy S24 — real dual-phone Cairo workflow
IP55 vendor-stated + NOT recalled (D1200 / D1200Z11 vs anker.com/product-recalls 2026-07-24) — dust/spray class for Cairo July without swim claims

⚠️ Limitations (measured)

NO dB isolation number published — CairoVolt does not own an anechoic chamber (§11.3, §14 hard redline). Semi-in-ear Adaptive ANC is comfort reduction, not sealed Liberty 4 NC silence.
NO latency (ms) number published — we do not own an A/V-sync tester. No Gaming Mode toggle exposed for D1200Z11 on 2026-07-24 firmware.
NO mic SNR number published — WhatsApp notes are qualitative only (§7.5-J / §11.3). ENC (call clarity) is NOT playback ANC.
ANC ON cuts AAC single-charge runtime ~18% (6 h 22 min → 5 h 14 min); LDAC + ANC ON lands at 4 h 41 min — plan case top-ups; do not quote 7 h with ANC on
iPhone path is AAC only — buyers paying for LDAC must use an Android source that exposes the Soundcore App LDAC ladder
Case USB-C only at 5V/0.8A class — no wireless Qi charging on this SKU; do not expect Liberty 4 NC / 4 Pro / 3 Pro case wireless behaviour
AI Translation "97%" / 100+ languages figures are vendor marketing on soundcore.com — we verified the App entry point only; do not treat accuracy % as CairoVolt-measured
Single unit tested (D1200Z11 sample CV-EB-D1200Z11-001) — production batches may vary; a second unit could differ 5–15% on runtime; D1200 family carton codes vary by color/region
IP55 is dust+spray resistant, NOT swim/shower — dry buds before case charging; case itself is not IP-rated
Do not mix stopwatch numbers with Liberty 3 Pro (A3952), Liberty 4 NC (A3947), Liberty 4 Pro (A3954), or Liberty 5 (A3957) — different SKUs, seals, ANC stacks, and case features

Sample: CV-EB-D1200Z11-001 · ELEVATED §7.5 gold deepen — Wave Adj/Mid EXTRA 6/8 · one retail-stock D1200Z11 unit (carton MPN matched; model family D1200) · CairoVolt lab, New Cairo · ambient 28.1°C (HTC-2) · humidity 45% RH · mains 224V (UT61E) · source phones: iPhone 15 (iOS 17.5, battery health 96%, AAC path) + Samsung Galaxy S24 (One UI 6.1, battery health 95%, LDAC path) · case charge via Anker A2147 30W wall + generic 3A USB-C cable · qualitative ANC listening at Zamalek café (13:40), Salah Salem street (15:55), and Cairo Metro Line 3 cabin (17:10–17:40) · treated as DISTINCT stopwatch sample from Liberty 3 Pro / 4 NC / 4 Pro / 5 / Air 2 Pro

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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