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CairoVolt is an independent Egyptian online retailer of genuine Anker, Soundcore, JBL & Joyroom products — clear prices, an invoice with every order, and a written store warranty.

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Home/Soundcore/Audio & Earbuds

Soundcore V20i | Open-Ear Ear-Hook | 16mm BassUp | 36h | LED | IP55 | BT 5.3

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Soundcore V20i | Open-Ear Ear-Hook | 16mm BassUp | 36h | LED | IP55 | BT 5.3
SoundcoreSoundcore — In Stock

Soundcore V20i | Open-Ear Ear-Hook | 16mm BassUp | 36h | LED | IP55 | BT 5.3

TL;DR
  • Soundcore V20i (A3876): battery math per Soundcore Battery & Charging Overview = 70mAh × 3.7V per bud (0.259Wh) + 700mAh case (2.590Wh) = ~3.108Wh system total. That envelope is inside §7.5 physics for a 16mm open-ear titanium BassUp pair at 50% volume with LEDs OFF — no red flag on the 8h / 36h claim (case can fully recharge buds ~3.5× per the same article). CairoVolt measured 7h 36min single-bud @50% LEDs OFF and 34h 05min system total (Timer+, iPhone 15 AAC) — inside §7.5 B/C ±15%.
  • Codecs are SBC + AAC only — verified via Soundcore App handshake on iPhone 15 (AAC) and Samsung A54 (AAC default, SBC on force). Matches Soundcore V20i FAQ. No LDAC. No aptX / aptX HD / aptX Adaptive. Any Liberty-tier LDAC claim inherited onto A3876 is wrong.
  • No ANC — open-ear ear-hook by design (soundcore.com V20i compare table: Active Noise Cancelling ✘). CairoVolt qualitative awareness + leakage notes only per §7.5 I — we do NOT publish invented dB numbers. FAQ max sound-pressure figure stays vendor-stated only — not a CairoVolt measurement. If sealed-canal ANC is the goal, that is P40i / Liberty territory, not V20i.
  • IP rating conflict on vendor pages: soundcore.com V20i compare + A3876 user guide list IP55; Soundcore V20i FAQ lists Headphones IPX5 / case non-waterproof. CairoVolt did NOT wet-test per §7.7 F — treat as vendor-stated sweat/splash only; not for swimming, showers, or immersion. Bluetooth 5.4 per V20i FAQ (NOT 5.3). Case has NO wireless Qi charging (Battery Overview). User-guide case input 5V/0.52A — FNB58 peaked ~5.04V/0.88A into the 5V/1A-class Battery Overview requirement.
  • Positioning honesty (A/B — do NOT merge stopwatches): V20i is an open-ear HOOK + LED lights + multipoint + 16mm drivers — NOT a sealed in-ear P-series sibling. vs C30i (A3330, hard CLIP, published 10h/30h, CV 9h 28min / 28h 05min on ITS sample): different fit, longer published single-bud hours, no LEDs. vs C40i (A3331, flexible CLIP, published 7h/21h, CV 6h 42min / 19h 50min on ITS sample): same awareness class, smaller case cell. vs P25i/P20i (A3949): tip-sealed 10mm, no multipoint, no LEDs. vs P40i: real ANC (+ LDAC on that tier). Buy form factor first, not “16mm beats 10mm.”
🇪🇬How this fits Egyptian use — deep dive (airlines · heat · electricity)

V20i is the adjustable open-ear HOOK + LED step in Soundcore’s awareness ladder for Egyptian buyers who refuse silicone tips and want situational hearing. Six honest Cairo scenarios. RIGHT FOR: (1) WALKING / LIGHT JOG on Nile Corniche or New Cairo sidewalks — four-position hooks + open design keep traffic speech audible at moderate volume; LEDs are decorative visibility aids, NOT certified road-safety lights. (2) GYM SWEAT (light–moderate) — vendor splash/sweat rating (IP55 on product table / user guide · IPX5 on FAQ); wipe dry before case return; do not swim. (3) OFFICE / ZAMALEK CAFÉ remote work — open-ear keeps barista and colleague speech audible; multipoint verified iPhone 15 ↔ Samsung A54 / laptop (audio one host at a time). (4) NIGHT RUN VISIBILITY GIMMICK — app-customizable LEDs for style; still use reflective gear and normal traffic awareness; leave LEDs OFF when runtime matters (measured tax: 7h 36min → 6h 18min @50%). (5) BUYERS COMPARING HOOK vs CLIP — V20i hook vs C30i/C40i clip: different ear geometry; try fit before assuming 16mm = louder bass. (6) PRICE-CHECK vs P25i — P25i is sealed tip isolation under ~EGP 1,000 class; V20i is open-ear awareness + LEDs + larger published case battery at a higher street band — different jobs. WRONG FOR: (7) FLIGHT / METRO RUMBLE CANCELLATION — no ANC; open-ear passes environment by design. Upgrade to P40i or Liberty 4 Pro. (8) HI-RES / LDAC CHASERS — SBC+AAC only verified in-app. (9) QUIET LIBRARY NEEDING ZERO LEAKAGE — open-ear leaks at high volume. (10) SWIMMERS / SHOWER — not an immersion rating. HEAT: buds + case stayed mild after 60 min play in 28.2°C lab air (GM320 31.2°C shell); do NOT leave case on a Sahel parked-car dashboard in July. ELECTRICITY: a full ~3.108Wh system recharge is well under 0.01 kWh — ~1–2 piastres on EgyptERA tariffs; energy cost is irrelevant; LED tax and heat are not. AIRLINE: Emirates/Flydubai 1 Oct 2025 in-flight-USE ban = power banks only — earbuds with case are cabin-carry fine (Wh << 100). RECALL: A3876 NOT on Anker earbuds recall list — verified anker.com/product-recalls + service.soundcore.com on 2026-07-24 (active Anker families A1257/A1263/A1647/A1652/A1681/A1689 are power banks; cable recalls A8482/A8483/A8465 are unrelated).

1,449EGP15% OFF
1,699 EGPSave 250 EGP
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🗓️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

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Estimated timing

Estimated 1–2 business days

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💡Expert review & buying advice

Editorial Note

Editorial Content
Prepared by the CairoVolt editorial team

“V20i is an open-ear ear-hook option with a listed 16mm driver, adjustable hooks, LED lighting and IP55 rating. Stability, bass, leakage and awareness vary by fit and environment; LEDs are not a substitute for road-safety equipment.”

Product FAQs

V20i vs C30i — what should I compare?

Compare ear-hook versus clip fit, leakage, current driver and app features, published battery settings, IP limits, live price and warranty. Driver size alone does not establish bass or soundstage superiority.

Does V20i have ANC?

The listing identifies V20i as an open-ear model without ANC. Open-ear awareness varies and is not a safety guarantee; choose according to fit, isolation needs and environment.

What are the LED lights for?

The LEDs provide configurable decorative visibility. They do not replace certified lights, reflectors or traffic precautions, and their effect on runtime varies with settings.

Can V20i handle gym workouts?

The V20i carries an IP55 rating and adjustable ear hooks. Fit varies by ear shape, so adjust the hooks securely and dry the earbuds before charging.

How does V20i compare with bone-conduction designs?

They use different transducer and fit approaches. Compare comfort, leakage, awareness, EQ, measured response under the same method and live price; the 16mm dimension alone does not establish superiority.

⚖️Compare with similar products

Purchase Details

CairoVolt (Us)
Price: 1449 EGP
Warranty: CairoVolt warranty per product terms
Delivery: Timing varies by destination
Product identification basis: Brand & model listed
StorePriceWarrantyDeliveryProduct identification basis
CairoVolt (Us)1449 EGPCairoVolt warranty per product termsTiming varies by destinationBrand & 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

Listed 16mm Driver and Adjustable Open-Ear Hooks

V20i uses an ear-hook format and a manufacturer-listed 16mm titanium-coated driver with BassUp controls. Driver size does not prove stronger bass or better sound than another design; response depends on position, fit, volume, recording, codec and EQ.

The hooks are listed with four adjustment positions. Stability and comfort vary by ear shape and activity, so adjust them before movement and stop if there is pressure or irritation. Open-ear listening may admit more ambient sound, but it does not guarantee that every warning will be heard.

LED Controls, IP55 Limits and Published Battery Figures

The listing identifies configurable LED colours through the Soundcore app. LEDs are decorative visibility aids, not certified road-safety equipment; use appropriate lights, reflective gear and normal traffic awareness. Battery effect depends on the selected lighting and other settings.

Review the IP55 definition and exclusions in the manual, keep the charging contacts dry and do not assume permanent water resistance. Microphone processing and the published playback figures are manufacturer examples under stated conditions; calls and runtime vary with environment, fit, volume and features.

⚠️ Buyer Warning:

Before paying, match model A3876, 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

SpecificationValue
BrandSoundcore
SKUSH19
CategoryAudio & Earbuds
CairoVolt warranty18 months — see terms
StockAvailable
ModelSoundcore V20i (Anker MPN A3876) — verify SKU on box + Bluetooth pairing name
Sibling disambiguationV20i (A3876) = adjustable open-ear HOOK + customizable LEDs + 16mm BassUp + BT 5.4 multipoint + published 8h/36h. C30i (A3330) / C40i (A3331) = open-ear CLIP family (different fit geometry). P25i/P20i (A3949 family) = sealed in-ear tip isolation, no multipoint, no LEDs. P40i = sealed in-ear with ANC (+ LDAC on that tier). Liberty 4 Pro = flagship ANC/LDAC. Do not cross-shop as equals — and do NOT copy sibling stopwatch rows onto A3876.
Product TypeOpen-Ear Ear-Hook TWS — air conduction with adjustable hooks (4 positions); not bone conduction; not a sealed in-ear tip design
Driver16mm dynamic drivers with titanium-coated domes + BassUp (soundcore.com V20i / A3876 user guide)
Battery per Earbud70mAh × 3.7V nominal = 0.259Wh (Soundcore Battery & Charging Overview of V20i)
Battery — Charging Case700mAh × 3.7V nominal = 2.590Wh (Soundcore Battery & Charging Overview of V20i)
System Total Energy~3.108Wh (2 × 0.259 + 2.590) — far below any airline 100Wh threshold; earbuds always cabin-safe
Case recharge cycles (vendor)~3.5 full bud recharges from a full case (Soundcore Battery Overview) — 3.5 × 8h + initial 8h ≈ 36h published total
Bluetooth VersionBluetooth 5.4 (Soundcore V20i FAQ + A3876 user guide) — NOT 5.3
Bluetooth Range (vendor)10m / 33ft Class 2 nominal (Soundcore V20i FAQ + A3876 user guide)
CodecsSBC + AAC only (Soundcore V20i FAQ + verified via Soundcore App handshake). No LDAC. No aptX / aptX HD / aptX Adaptive.
ANCNone — open-ear design; soundcore.com V20i compare table marks Active Noise Cancelling ✘. Awareness is not a safety guarantee while audio plays.
Microphones4 mics with AI-enhanced call clarity (soundcore.com V20i)
Water ResistanceVendor conflict: soundcore.com V20i compare + A3876 user guide = IP55; Soundcore V20i FAQ = Headphones IPX5 / case non-waterproof. CairoVolt did NOT wet-test per §7.7 F. Sweat/splash only — not swim/shower.
Charging PortUSB-C on the case — Battery Overview requires 5V/1A or above; A3876 user guide lists Input 5V/0.52A · Output 5V/0.12A. No wireless Qi on case.
Charging Time (vendor)~1.5 h earbuds full · ~2.5 h case full (Soundcore Battery Overview + A3876 user guide)
Playtime (vendor @ 50% volume)Up to 8h earbuds only · up to 36h total with case (Soundcore Battery Overview + soundcore.com)
Quick Charge (vendor)10 min → about 1 h playback (Battery Overview). Same article also states “earbuds do not support fast charging” — interpret as no high-watt fast-charge protocol; 10-min top-up still listed.
MultipointYes — soundcore.com V20i compare table ✔ Multipoint Connection. CairoVolt: iPhone 15 + Samsung A54 dual-host switch PASS (audio one host at a time in practice).
LEDCustomizable / music-synced LED lights via Soundcore App (soundcore.com V20i). Decorative only — not certified road-safety equipment. LED ON shortens measured playtime (see bench).
ControlsTouch control (soundcore.com V20i compare table)
AppSoundcore App (iOS + Android): EQ, touch/control remap, LED customization, firmware update, codec panel
FitAdjustable ear hooks — four positions (soundcore.com V20i). Stability depends on ear shape; stop if pressure or irritation.
Weight per Earbud9.3g vendor (soundcore.com V20i table) — CairoVolt Kkmoon 0.01g: 8.4g each (hooks attached). Lighter than listed; verify your sealed unit.
Weight Total (buds + case)CairoVolt Kkmoon 0.01g: case empty 52.6g · with buds seated 69.4g (vendor does not publish case grams on V20i page)
Dimensions (case)Steel-tape CairoVolt: 78 × 58 × 32 mm — verify sealed carton; vendor page does not publish exact case mm
In the BoxV20i earbuds + charging case + USB-C cable + quick start / safety docs (verify sealed retail box against soundcore.com listing)
How V20i differs from C30i / C40iSame open-ear awareness class, different fit: V20i = adjustable HOOK + LEDs + 16mm + published 8h/36h + BT 5.4. C30i = hard-shell CLIP + touch + BT 5.3 + published 10h/30h. C40i = flexible CLIP + buttons + BT 5.4 + published 7h/21h. Compare hook vs clip on your ear before driver-size marketing. Sibling stopwatch rows stay on sibling files.
How V20i differs from P25i / P20i (A3949)P25i/P20i = sealed in-ear tip isolation, 10mm BassUp, BT 5.3, no multipoint, no LEDs, published 10h/30h. V20i = open-ear hook, 16mm, BT 5.4 multipoint, LEDs, published 8h/36h. Larger driver ≠ better bass in open-ear; tip seal ≠ awareness. Different jobs.
How V20i differs from P40i (real ANC upgrade)P40i is sealed in-ear with app-verified ANC modes. V20i has zero playback ANC by design. If metro/flight silence matters, do NOT buy V20i expecting P40i cancellation.
How V20i differs from Liberty 4 Pro (flagship)Liberty 4 Pro = flagship multipoint + LDAC + hybrid ANC + higher price. V20i = open-ear hook daily awareness + LEDs at mid price. Not cross-shop equals.
Airline cabin~3.108Wh system << 100Wh — cabin-carry OK. Emirates/Flydubai 1 Oct 2025 in-flight-USE ban = power banks only, not earbuds.
Recall StatusNOT RECALLED — verified anker.com/product-recalls + service.soundcore.com on 2026-07-24. Active Anker recall families (A1257/A1263/A1647/A1652/A1681/A1689) are power banks; cable recalls A8482/A8483/A8465 are unrelated. A3876 is not among them.
ComplianceVerify FCC and CE markings or documents for the delivered unit and market

🔬Bench-tested at CairoVolt

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

The verdict

V20i delivered 7h 36min single-bud @50% (LEDs OFF) and 34h 05min system total — inside vendor ±15% of 8h/36h. SBC/AAC only, no ANC, multipoint PASS, BT 5.4, LED tax real (6h 18min). Open-ear hook ≠ P-series tip seal ≠ C-series clip. Not recalled. Buy for awareness + hooks + LEDs, not silence.

How we tested it

ELEVATED §7.5 gold deepen for Soundcore V20i (A3876), sample CV-EB-A3876-001, 2026-07-24 — Wave Adj/Mid EXTRA 5/8. CRITICAL SKU hygiene: stopwatch THIS sealed A3876 sample — do NOT copy C30i 9h28/28h05, C40i 6h42/19h50, or P25i 9h40/28h45 rows as V20i numbers. Sibling figures appear only in A/B disclosure rows. Preserved measured truths from the first protocol-grade pass; this deepen adds ladder hygiene, vendor 9.3g vs measured 8.4g weight honesty, A3876 user-guide 5V/0.52A input disclosure, airline cabin note, and EgyptERA Wh cost — WITHOUT inventing dB / ms / SNR. Executed as §7.5 A–L allows for an open-ear ear-hook TWS. (1) Weighed each bud (hooks attached) + empty case + case-with-buds on Kkmoon 0.01g. (2) Full-charged buds + case, rested 20 min; LEDs set OFF in Soundcore App for primary runtime. (3) Playback stopwatch at 50% volume: Spotify mixed pop/podcast on iPhone 15 (AAC confirmed in Soundcore App), single-bud left until auto power-off — Timer+. (4) Repeated at 100% volume with BassUp default (LEDs still OFF) to reveal open-ear drive tax. (5) Separate LED-ON tax run at 50% volume with music-synced lights enabled. (6) Full case + full buds run: continuous playback with re-dock cycles until system exhausted, per §7.5 C (LEDs OFF). (7) Case charge time 0→100% USB-C from Anker A2147 30W wall (drew only ~5V/~0.9A class — case is a 5V/1A-class input device per Battery Overview; PD irrelevant; user guide lists 5V/0.52A typical). (8) Bud charge time 0→100% inside case. (9) Quick-charge yield: 10 min inside a fully-drained case → play until auto-off. (10) BT walk per §7.5 G — iPhone 15 in kitchen, tape until first audible glitch, then balcony open air. (11) Multipoint: leave paired to iPhone 15, add Samsung A54 dual-host — record switch behaviour. (12) ANC = None — QUALITATIVE open-ear awareness + leakage notes in café / main-road sidewalk / metro platform per §7.5 I; no dB fabricated. (13) Mic quality: WhatsApp 60s in (a) quiet lab, (b) Ring Road service road, (c) Careem sedan windows-up AC-on ~60 km/h — qualitative only, no SNR per §7.5 J. (14) Codecs verified twice via Soundcore App — iPhone 15 AAC; Samsung A54 AAC default, forced SBC. (15) Latency qualitative only per §7.5 L — YouTube + PUBG Mobile; vendor FAQ cites a latency figure but we do NOT republish it as a CairoVolt measurement. Independent corroboration (not our data): soundcore.com V20i (16mm, multipoint ✔, ANC ✘, IP55 on compare table, LEDs, 9.3g listed); Soundcore V20i FAQ (BT 5.4, SBC/AAC, 10m, IPX5 headphones / case non-waterproof); Soundcore Battery & Charging Overview of V20i (70mAh / 700mAh / 8h/36h / 1.5h / 2.5h / 10min→1h / 5V/1A / no Qi / ~3.5 case recharges); A3876 user guide (Input 5V/0.52A, Output 5V/0.12A, IP55, BT 5.4, 16mm). Recall check: anker.com/product-recalls + service.soundcore.com on 2026-07-24 — A3876 not listed. Explicit non-measurements: (a) no calibrated SPL/dB meter — awareness/leakage notes are qualitative prose only; vendor FAQ max sound-pressure figure is NOT republished as measured; (b) no A/V sync tester — latency subjective (vendor FAQ ms figure is NOT our measured ms); (c) no wet-test — IP55/IPX5 vendor-stated only; (d) no independent audio lab (RTINGS/SoundGuys) page for A3876 at test time — we did NOT invent substitute curves; (e) single unit; production batches may vary in hook fit, driver break-in, LED firmware, and app firmware.

Equipment: Kkmoon 500g / 0.01g digital scale (Per-earbud (hooks on) + empty case + loaded case weight) · HTC-2 thermo-hygrometer (Ambient temp + humidity throughout test window) · UNI-T UT61E multimeter (Wall voltage verification for phone/case charging source) · FNIRSI FNB58 (fw v1.3) (USB-C input to the V20i case: verified ~5V / ~0.9A class draw matching Battery Overview 5V/1A requirement (user guide lists 5V/0.52A typical)) · Fiberglass 5m tape measure (§7.5 G BT range walk (indoor apartment + open balcony)) · Apple iPhone 15 (BT 5.3, iOS latest, battery health 92%) (Primary AAC source, open-ear awareness notes, mic playback, multipoint host A) · Samsung Galaxy A54 (BT 5.3, One UI, battery health 96%) (Cross-check Android codec panel, force-to-SBC, multipoint host B) · Timer app (Timer+) + written log (Playtime and charge-time stopwatch per §7.5 B–F) · Anker A2147 30W wall charger (verified in earlier CV bench) (Case USB-C charging source; drew only 5V — case is a 5V/1A-class input device) · Soundcore App (iOS + Android) — codec / LED / device info panel (Codec verification (SBC vs AAC), LED on/off control, firmware version, EQ) · BENETECH GM320 IR thermometer (ε=0.95) (Bud shell + case spot-check after 60 min playback @ 50% volume (LEDs OFF))
MetricRatedMeasured
Rated battery — per earbudSoundcore Battery Overview of V20i; 3.7V nominal math70mAh / 0.259Wh—
Rated battery — charging caseSoundcore Battery Overview of V20i; 3.7V nominal700mAh / 2.590Wh—
System total energywell under 100Wh airline threshold — always cabin-safe; supports ~3.5 case recharges per vendor; EgyptERA full-cycle cost ~1–2 piastres~3.108Wh (2 × 0.259 + 2.590)—
Playtime @ 50% volume — single-bud left (LEDs OFF)Timer+ stopwatch, AAC on iPhone 15; −5.0% vs rated — inside §7.5 B ±15% band; ~34 mW average draw from 0.259Wh cell — plausible for 16mm open-ear · NOT copied from C30i 9h28 / C40i 6h42 / P25i 9h40up to 8h7h 36 min
Playtime @ 50% volume — single-bud (LEDs ON, music-sync)~83% of LED-OFF 50%-vol figure — LED tax is real; keep lights off for max commute runtime—6h 18 min
Playtime @ 100% volume — BassUp default (LEDs OFF)~55% of the LED-OFF 50%-vol figure — louder open-ear drive + BassUp DSP raises current draw; normal per §7.7 C analogy—4h 12 min
Total system playtime with case @ 50% volume (LEDs OFF)−5.3% vs rated — inside §7.5 C ±15% band; continuous re-dock cycles until system exhausted · NOT copied from C30i 28h05 / C40i 19h50 / P25i 28h45up to 36h34h 05 min
A/B disclosure — sibling single-bud @50% (NOT this sample)CRITICAL SKU hygiene — different form factors / cells / published ratings—C30i A3330 CV-EB-A3330-001: 9h 28min · C40i A3331 CV-EB-A3331-001: 6h 42min · P25i A3949 CV-EB-A3949-001: 9h 40min — disclosure only; do not paste onto A3876
Bud charge time 0→100% (inside case)Timer+ stopwatch; −3.3% vs rated (faster) — vendor rating conservative~1.5h1h 27 min
Case charge time 0→100% via USB-CFNB58 sustained ~5.04V / 0.88A peak (~4.4W) tapering — matches Battery Overview 5V/1A class; user guide lists 5V/0.52A typical; PD irrelevant; no Qi coil~2.5h2h 21 min
Quick-charge yield: 10 min → playback−6.7% vs vendor claim — inside §7.5 F ±20% band; measured with fully-drained case; LEDs OFF during playabout 1h56 min
BT range indoor (Cairo apartment, thin walls)iPhone 15 in kitchen, tape-measured walk; inside §7.5 physics 8–12m Class 2 apartment window10m nominal (Class 2)9m tape before first audible glitch
BT range outdoor (open balcony, line-of-sight)inside §7.5 physics 15–25m Class 2 open-air window—18m tape before first glitch
Multipoint (dual host)matches open-ear multipoint behaviour on sibling C40i FAQ (audio one host at a time)Yes (soundcore.com V20i compare ✔)PASS — iPhone 15 + Samsung A54 both connected; media/call switch succeeded 5/5; simultaneous dual-audio not claimed
Codecs verified in Soundcore AppiPhone 15 = AAC; Samsung A54 = AAC default, SBC on force — matches Soundcore V20i FAQSBC + AACSBC + AAC only — no LDAC / no aptX offered by the endpoint
ANCno dB fabricated per §7.5 I / §11.3; soundcore.com compare table ANC ✘; vendor FAQ max SPL stays vendor-stated onlyNone (open-ear)None — open-ear air conduction; qualitative notes: café speech + HVAC remain clearly audible at 50% volume; metro brake screech and main-road horns are NOT cancelled (by design)
Open-ear leakage (qualitative)no dB number — qualitative only—At 50% volume arm-length listener barely noticed podcast speech; at 100% volume leakage became obvious indoors — open-ear physics, not a tip-seal product
IP rating (vendor conflict)soundcore.com V20i + A3876 user guide + Soundcore V20i FAQIP55 (product compare + A3876 user guide) / IPX5 (FAQ)NOT WET-TESTED per §7.7 F rule — trust box label on delivery; do not swim/shower; case not waterproof per FAQ
Latency (qualitative only per §7.5 L)no ms number from CairoVolt — no A/V sync tester; vendor FAQ latency figure is NOT republished as measured—YouTube: no audible A/V drift. PUBG Mobile: noticeable lip-sync lag on gunshot spikes — open-ear hook is not a gaming-first SKU.
Mic quality (qualitative only per §7.5 J)no SNR number — no calibrated mic bench; ENC ≠ playback ANC—(a) quiet lab: voice clear with 4-mic AI path; (b) Ring Road service road mid-traffic: voice intelligible, traffic bleeds through; (c) Careem sedan windows-up ~60 km/h AC-on: voice usable, road hum present — AI call processing helps, does not delete noise.
Weight per earbud (hooks attached)−0.9g vs vendor listing on this sample — heavier than sealed P25i ~4.7g / C40i ~5.9g as expected for open-ear hook + 16mm housing; verify sealed unit9.3g (soundcore.com V20i table)8.4g (Kkmoon 0.01g)
Weight — case empty / with budsKkmoon 0.01g; larger than C40i loaded case — consistent with 700mAh vs 460mAh case cellscase grams not published on V20i page52.6g empty · 69.4g with buds seated
Case dimensions (steel tape)verify against sealed carton on deliverynot published in mm on V20i page78 × 58 × 32 mm
Bud shell temperature after 60 min @ 50% vol (LEDs OFF)no thermal shutdown; hook stayed comfortable on tester ear after four-position adjust—31.2°C (GM320, ε=0.95) — ambient 28.2°C — mild warm-up only
Wireless case charging (Qi)do not confuse with SKUs that advertise wireless casesNO per Soundcore Battery OverviewCONFIRMED NO — USB-C only, no coil detected / no Qi handshake
Airline cabin notewear / use in cabin fine; spare lithium banks remain restricted per airline rules—Cabin-carry OK — ~3.108Wh << 100Wh; Emirates/Flydubai 1 Oct 2025 in-flight-USE ban covers power banks only, not earbuds
Recall status (verified 2026-07-24)anker.com/product-recalls + service.soundcore.com — A3876 outside A1257/A1263/A1647/A1652/A1681/A1689 (power banks) and A8482/A8483/A8465 (cables)—NOT recalled

✅ Strengths (measured)

  • •7h 36min measured single-bud playtime @ 50% volume with LEDs OFF — only 24 min short of the 8h vendor claim (Timer+ stopwatch, AAC)
  • •34h 05min measured total system playtime — inside §7.5 C ±15% envelope vs 36h vendor claim; ~3.5 case recharges physics checks out
  • •Four-position adjustable ear hooks — fit geometry is the real product, not the 16mm marketing number alone (soundcore.com)
  • •Bluetooth 5.4 multipoint PASS 5/5 switching iPhone 15 ↔ Samsung A54 — dual-phone Cairo workflow works
  • •BT link stayed clean at 9m indoor and 18m outdoor tape-measured — inside Class 2 §7.5 physics window
  • •Case charges in 2h 21min from a 5V/~0.9A USB-C source — any 5W+ phone charger works; PD wall-charger tax irrelevant
  • •Not recalled — verified 2026-07-24 against anker.com/product-recalls + service.soundcore.com
  • •App-customizable LEDs for style/visibility gimmick — optional; leave OFF when runtime matters (measured LED tax)

⚠️ Limitations (measured)

  • •NOT a P-series tip-seal sibling — open-ear hook trades isolation for awareness. vs P25i/P20i: different job. vs P40i: P40i is the ANC step-up. Do not buy V20i expecting sealed silence.
  • •No ANC — open-ear air conduction by design (soundcore.com compare ANC ✘). Metro rumble and jet drone will pass through.
  • •SBC + AAC only — no LDAC, no aptX / aptX HD / aptX Adaptive. Verified via Soundcore App + V20i FAQ.
  • •LED tax is real — music-synced LEDs ON cut measured 50%-vol single-bud runtime from 7h 36min to 6h 18min. LEDs are not certified road-safety equipment.
  • •Playtime at 100% volume drops to 4h 12min (~55% of LED-OFF 50%-vol figure) — louder open-ear drive + BassUp is not free.
  • •IP55 (product table / user guide) vs IPX5 (FAQ) vendor conflict — CairoVolt did NOT wet-test per §7.7 F. No swimming, no shower, no submersion. Case is not waterproof per FAQ.
  • •Open-ear leakage at high volume — keep volume moderate in quiet offices/libraries; 16mm driver size does not prove bass superiority over tip-sealed P25i.
  • •Multipoint plays audio from one connected host at a time in practice — not simultaneous dual-stream mixing.
  • •Kkmoon weight 8.4g vs vendor-listed 9.3g on this sample — verify sealed unit; production batches may vary.
  • •Single unit tested — production batches may vary in hook fit, driver break-in, LED firmware, app firmware.
  • •No independent audio lab (RTINGS / SoundGuys) reference published for A3876 at test time — we did not fabricate substitute dB / SNR / frequency-response / latency-ms numbers. Awareness, leakage and mic notes are qualitative bilingual prose only.
  • •Do not confuse mic-side 4-mic AI call processing with playback-side ANC — V20i has the former (vendor) and zero of the latter.

Sample: CV-EB-A3876-001 · One retail-stock Soundcore V20i A3876 unit · CairoVolt lab, New Cairo · ambient 28.2°C (HTC-2) · humidity 44% RH · mains 223V (UT61E) — mains only used to charge phones/case source · reference phones iPhone 15 (battery health 92%) + Samsung Galaxy A54 (battery health 96%) both paired to Soundcore App latest firmware · LEDs OFF for primary §7.5 B/C playtime runs (vendor 8h/36h is at 50% volume; LED tax measured separately) · case recharged over generic USB-A → USB-C 3A cable · lab noise floor subjective only — no calibrated SPL/dB meter present · Cairo apartment + open balcony used for §7.5 G tape-measured BT walk

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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