Earbuds / Compare

Shokz OpenFit Air 2 vs soundcore AeroFit 2

A

Product A: Shokz

OpenFit Air 2

68 of 166 known

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B

Product B: soundcore

AeroFit 2

58 of 166 known

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All 166 fields

Every value links to where we found it.

Only differences

AShokz OpenFit Air 2

Bsoundcore AeroFit 2

General

6 of 8 differ

Series

OpenFit16Press articleitwire.com/your-it-news/home-it/shokz-introduces-openrun-air-2-and-openfit-air-2-expanding-its-bone-conduction-and-open-ear-true-wireless-lineupsRead 14 October 2026iTWire repost of the Shokz press release, 2026-08-28: the lightest product in the OpenFit family.

AeroFit3Maker product pageankerjapan.com/products/a3874Read 13 October 2026Listed with the Soundcore AeroFit series.

Model numbersiMaker identifiers for this exact model and its listed variants. Excludes sibling models and other generations.

T520, T520-ST-BK-US, T520-ST-IB-US, T520-ST-WT-US, T520BK, T520IB, T520WT, T520-ST-BK-CA-326, T520-ST-IB-CA-326, T520-ST-WT-CA-3261Maker product pageshokz.com/products/openfit-air-2Read 14 October 2026US store variant SKUs T520-ST-BK-US Black, T520-ST-IB-US Ice Blue and T520-ST-WT-US White, from the store's product data. The store showed Sold out on 2026-10-14.3Maker product pageshokz.com.au/products/openfit-air-2Read 14 October 2026Australian store SKUs T520BK, T520IB and T520WT. The UK and German stores use the same SKUs.5Maker product pagede.shokz.com/products/openfit-air-2Read 14 October 2026German store SKUs T520BK, T520IB and T520WT.6Maker product pageca.shokz.com/products/openfit-air-2Read 14 October 2026Canadian store SKUs T520-ST-BK-CA-326, T520-ST-WT-CA-326 and T520-ST-IB-CA-326.

A3874, A3874Z11, A3874Z21, A3874Z61, A3874Z31, A3874Z81, A3874G11, A3874G21, A3874G61, A3874G311Maker product pageus.soundcore.com/products/a3874-aerofit-2-open-earbudsRead 13 October 2026Store variants A3874Z11, Z21, Z61, Z31 and Z81. The EU store lists A3874G11, G21, G61 and G31.5Measurementsoundguys.com/anker-soundcore-aerofit-2-review-126119Read 13 October 2026

GTIN / EAN

8102026894591Maker product pageshokz.com/products/openfit-air-2Read 14 October 2026The store data has no barcodes. The White US barcode is from the Abt listing below.15Retailer pageabt.com/Shokz-OpenFit-Air-2-Open-Ear-Wireless-Earbuds-in-White-T520STWTUS/p/247381.htmlRead 14 October 2026Abt lists UPC 0810202689459 for model T520-ST-WT-US, White.

194644036393, 194644210137, 194644210144, 194644210151, 194644262334, 194644284701, 194644284992, 194644284961, 1946442849851Maker product pageus.soundcore.com/products/a3874-aerofit-2-open-earbudsRead 13 October 2026Variant barcodes from the US store product data and the EU store product data.

AnnouncediThe maker's first announcement of this model. This is separate from first retail availability.

24 August 20268Press articlesoundguys.com/shokz-openfit-air-2-launch-161931Read 14 October 2026Article dated 2026-08-24 and based on the Shokz press release.10Reviewkopfhoerer.de/test/shokz-openfit-air-2Read 14 October 2026Page last updated 2026-08-24.

Not available

Status

Available8Press articlesoundguys.com/shokz-openfit-air-2-launch-161931Read 14 October 2026On sale from 2026-08-27 in the US.

Available6Spec databasesoundguys.com/product/soundcore-aerofit-2Read 13 October 2026Listed with a current Amazon US price.

PredecessoriThe model this one directly replaced, in the same line, tier and size, as the maker or a trusted review names it.

Not available

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SuccessoriThe model that directly replaced this one, in the same line, tier and size. A revision such as a Slim or OLED model does not count when a next generation exists.

Not available

Not available

Launch price (US)iThe maker's US launch MSRP for the stated configuration, excluding tax. Current store prices and later discounts do not qualify.

$129.951Maker product pageshokz.com/products/openfit-air-2Read 14 October 2026US store regular price 129.95 USD, the same as the announced price.8Press articlesoundguys.com/shokz-openfit-air-2-launch-161931Read 14 October 2026MSRP 129.95 USD, US.

$99.995Measurementsoundguys.com/anker-soundcore-aerofit-2-review-126119Read 13 October 2026Spec table lists a price of $99.99.7Reviewdigitaltrends.com/home-theater/soundcore-aerofit-2-reviewRead 13 October 2026MSRP $100.

Launch price (EU)iThe maker's euro launch price for the stated configuration, including VAT as published. Current store prices and later discounts do not qualify.

€1395Maker product pagede.shokz.com/products/openfit-air-2Read 14 October 2026German maker store price 139.00 EUR including VAT. The store page was created 2026-08-03 and published 2026-08-24.10Reviewkopfhoerer.de/test/shokz-openfit-air-2Read 14 October 2026Review: unchanged list price of 139 euros.14Reviewt3.com/tech/earbuds/shokz-openfit-air-2-reviewRead 14 October 2026T3 gives 129 GBP, 129.95 USD and 139 EUR in the EU.

Not available

MarketsiISO country or region codes where this exact model or variant is sold. A source page's language does not establish availability.

US, CA, GB, DE, AU, JP1Maker product pageshokz.com/products/openfit-air-2Read 14 October 2026US store. Canada, UK, Germany and Australia are from their own stores below.3Maker product pageshokz.com.au/products/openfit-air-2Read 14 October 2026Australian maker store lists it at 219 AUD.5Maker product pagede.shokz.com/products/openfit-air-2Read 14 October 2026German maker store.6Maker product pageca.shokz.com/products/openfit-air-2Read 14 October 2026Canadian maker store lists it at 169.95 CAD.7Maker product pageuk.shokz.com/products/openfit-air-2Read 14 October 2026UK maker store lists it at 129 GBP.9Press articleav.watch.impress.co.jp/docs/news/2140693.htmlRead 14 October 2026Japan launch on 2026-09-16 at 19,880 yen including tax.

US, EU1Maker product pageus.soundcore.com/products/a3874-aerofit-2-open-earbudsRead 13 October 20262Maker product pageeu.soundcore.com/products/a3874-aerofit-2-open-earbuds.jsRead 13 October 2026EU store product data with SKUs A3874G11, G21, G61 and G31.

ColoursiThe maker's own colour names

Black, Ice Blue, White1Maker product pageshokz.com/products/openfit-air-2Read 14 October 2026Black, Ice Blue and White as named in the US store.5Maker product pagede.shokz.com/products/openfit-air-2Read 14 October 2026German store colour titles translated: Schwarz is Black and Weiss is White.

Midnight Black, Pearl White, Minty Green, Midnight Blue, Brown, Black, Beige, Navy Blue1Maker product pageus.soundcore.com/products/a3874-aerofit-2-open-earbudsRead 13 October 2026US store colours Midnight Black, Pearl White, Minty Green, Midnight Blue and Brown. EU store colours Black, Beige, Minty Green and Navy Blue. The EU store spells one colour Minity Green.

Segment

Sport1Maker product pageshokz.com/products/openfit-air-2Read 14 October 2026Listed under Workout and Lifestyle Earbuds. Press calls it a fitness-focused earbud.

Sport6Spec databasesoundguys.com/product/soundcore-aerofit-2Read 13 October 2026Catalogued under sports and fitness headphones.

Design

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Form factoriIn-ear seals the ear canal with a tip. Semi-in-ear rests in the outer ear without a seal. Open-ear leaves the ear canal unobstructed.

Open-ear1Maker product pageshokz.com/products/openfit-air-2Read 14 October 2026Open-ear design. The speaker rests above the ear.

Open-ear1Maker product pageus.soundcore.com/products/a3874-aerofit-2-open-earbudsRead 13 October 2026Open-ear headphones with 4-level adjustable ear hooks.

Bud shapeiStem describes an extending control or microphone stalk. Stemless describes a compact body without a stalk.

Ear hook1Maker product pageshokz.com/products/openfit-air-2Read 14 October 2026Earhook earbuds.

Ear hook1Maker product pageus.soundcore.com/products/a3874-aerofit-2-open-earbudsRead 13 October 2026

Use one bud aloneiWhich earbud can operate alone. This does not mean two earbuds can play from different sources.

Either bud4Owner's manualhelp.shokz.com.au/file-asset/OpenFitAir2_User_Guide_PDF_ENRead 14 October 2026Single Earbud Controls: both earbuds can be used independently for mono playback or calls.

Either bud4Owner's manuallp.ankerjapan.com/hubfs/aoos/manual/A3874Manual.pdfRead 13 October 2026The guide has a section for single earbud use.

RGB lighting

Not available

Not available

Drivers and sound

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Drivers per budiAudio transducers in one earbud. Rows distinguish their type, acoustic role and published diameter. Do not count microphones.

AShokz OpenFit Air 2

Type	Diameter (mm)	Count per earbud
Dynamic	11.8	2

Source2Maker product pageshokz.com/pages/openfit-air-2Read 14 October 2026Footnote: the Bassphere driver has two high-sensitivity 11.8 mm round speakers, comparable to a 16 mm round speaker. Per earbud.

Bsoundcore AeroFit 2

Type	Count per earbud
Dynamic	1

Source1Maker product pageus.soundcore.com/products/a3874-aerofit-2-open-earbudsRead 13 October 202620 mm x 11.5 mm racetrack drivers with BassTurbo acoustics. The driver is rectangular, so no circular diameter is stored.3Maker product pageankerjapan.com/products/a3874Read 13 October 2026Dynamic driver, 20 mm x 11.5 mm.

Driver typeiPublished transducer technology. High-excursion, composite and neodymium do not by themselves establish a driver type.

Dynamic9Press articleav.watch.impress.co.jp/docs/news/2140693.htmlRead 14 October 2026Bassphere places two dynamic drivers facing each other.

Dynamic3Maker product pageankerjapan.com/products/a3874Read 13 October 2026Dynamic driver in the comparison table.

Driver sizeiLargest explicitly published circular driver diameter in one earbud. A rectangular driver width is not a diameter.

11.8mm=CalculatedFrom Drivers per bud

Not available

Drivers per budiTotal audio transducers in one earbud, summed from explicit driver quantities. A row with an unknown quantity makes the total unknown.

2=CalculatedFrom Drivers per bud

1=CalculatedFrom Drivers per bud

Diaphragm material

Not available

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Frequency responseiPublished acoustic frequency response of the earbuds. Codec transmission bandwidth alone does not qualify. Conditions belong in the source note.

Min20 HzMax20 kHz3Maker product pageshokz.com.au/products/openfit-air-2Read 14 October 2026Speaker frequency response 20 to 20 kHz, plus or minus 10 dB. Speaker sensitivity 97.5 dB plus or minus 3 dB at 0.5 Vrms, 1 cm on baffle, so it is not stored. Sensitivity reference is neither 1 mW nor 1 V.

Min20 HzMax40 kHz4Owner's manuallp.ankerjapan.com/hubfs/aoos/manual/A3874Manual.pdfRead 13 October 202620 to 20 kHz, and 20 to 40 kHz with LDAC enabled.

Impedance

Not available

16Ω4Owner's manuallp.ankerjapan.com/hubfs/aoos/manual/A3874Manual.pdfRead 13 October 2026

SensitivityiPublished acoustic sensitivity. The electrical reference and frequency must be stated in sensitivity_reference or the source note.

Not available

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Sensitivity reference

Not available

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Max sample rateiHighest supported audio sample rate under the codec and source-device conditions in the source note. This does not establish lossless playback.

Not available

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Max bit depthiHighest supported audio bit depth under the codec and source-device conditions in the source note. Bluetooth version alone does not establish this.

Not available

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Adaptive EQiAn inner mic tunes the sound to your ear in real time

Not available

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Personalised soundiA profile from a hearing test or ear scan

Not available

Not available

Onboard EQ

Not available

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Custom EQ bandsiNumber of independently adjustable custom equalizer frequency bands. Availability may require current firmware, an app or a compatible device.

510Reviewkopfhoerer.de/test/shokz-openfit-air-2Read 14 October 2026Review: five-band equalizer with four presets and two user-defined settings.11Reviewexpertreviews.co.uk/technology/headphones-audio/shokz-openfit-air-2-reviewRead 14 October 2026Review: five-band graphic equaliser in the Shokz app.

87Reviewdigitaltrends.com/home-theater/soundcore-aerofit-2-reviewRead 13 October 2026Optional 8-band equalizer in the app. The French guide also names eight sliders on the custom equalizer page.

EQ presetsiNamed equalizer sound presets. Noise-control modes and spatial-audio modes are separate features.

Standard, Vocal, Bass, Private2Maker product pageshokz.com/pages/openfit-air-2Read 14 October 20264 preset EQ modes: Standard, Vocal, Bass, Private, plus 2 custom modes.4Owner's manualhelp.shokz.com.au/file-asset/OpenFitAir2_User_Guide_PDF_ENRead 14 October 2026EQ Adjustments page: Standard, Vocal, Bass and Private.

Not available

Volume limit

Not available

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Spatial audio

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Spatial audioiNamed spatial or surround audio processing supported with the source and platform conditions stated in the source note.

Not available

3D Surround Sound3Maker product pageankerjapan.com/products/a3874Read 13 October 2026Supports 3D audio.7Reviewdigitaltrends.com/home-theater/soundcore-aerofit-2-reviewRead 13 October 20263D Surround Sound setting in the app.

Head trackingiSpatial audio changes with head movement. Static spatial processing alone does not qualify. Compatible device or content requirements belong in the source note.

Not available

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Noise cancelling

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Active noise cancelling

No3Maker product pageshokz.com.au/products/openfit-air-2Read 14 October 2026Maker FAQ on the page: the OpenFit Air 2 does not feature active noise cancellation.

No3Maker product pageankerjapan.com/products/a3874Read 13 October 2026Noise cancelling is not available on the AeroFit 2.

ANC typeiFeedforward uses exterior microphones. Feedback uses interior microphones. Hybrid uses both. Adaptive control is separate from microphone placement.

Not available

Not available

ANC microphones in both earbudsiPhysical microphones used by ANC across the pair. A shared call and ANC microphone counts once. Case microphones and vibration sensors are excluded.

Not available

Not available

Adaptive ANCiANC strength or calibration adjusts automatically to noise, fit or ear acoustics. The source note states the adjustment conditions.

Not available

Not available

ANC levelsiNumber of selectable ANC strength levels. Excludes ANC off, transparency and activity profiles unless they explicitly set distinct strength levels.

Not available

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ANC attenuation (claimed)iManufacturer maximum claimed noise attenuation. Frequency and measurement conditions belong in the source note. This is not reviewer-measured overall attenuation.

Not available

Not available

Transparency mode

Not available

Not available

Adjustable transparency

Not available

Not available

Automatic ANC and transparency blendiAutomatically blends active cancellation with ambient sound. Automatic activity-based switching between separate modes alone does not qualify.

Not available

Not available

Conversation detection

Not available

Not available

Wind noise reductioniA documented physical design or processing feature for reducing wind noise. The source note distinguishes mesh or shape changes from selectable processing.

Not available

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Measured

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Frequency response notes (measured)iMeasured by a reviewer, not claimed by the maker

Not available

The bass rolls off steeply below about 125 Hz. Between 1.6 kHz and 6.3 kHz the response sits 7 to 16 dB above the SoundGuys preference curve.5Measurementsoundguys.com/anker-soundcore-aerofit-2-review-126119Read 13 October 2026Measured against the SoundGuys preference curve in the SoundGuys lab, from the product page data points.6Spec databasesoundguys.com/product/soundcore-aerofit-2Read 13 October 2026Lab data points on the product page, SoundGuys preference curve.

Bass amount (measured)iDeviation from the review source target in the bass range. Positive means more bass. Target, test method and settings belong in the source note.

Not available

Not available

Treble amount (measured)iDeviation from the review source target in the treble range. Positive means more treble. Values from different targets may not be directly comparable.

Not available

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Deviation from target (measured)iMeasured by a reviewer, not claimed by the maker

Not available

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Consistency between fittings (measured)iMeasured by a reviewer, not claimed by the maker

Not available

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Harmonic distortion (measured)iMeasured by a reviewer, not claimed by the maker

Not available

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Sound leakage (measured)iMeasured by a reviewer, not claimed by the maker

Not available

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Noise isolation (measured)iMeasured by a reviewer, not claimed by the maker

Not available

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Noise isolation, best (measured)iMeasured by a reviewer, not claimed by the maker

Not available

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Passive isolation (measured)iMeasured by a reviewer, not claimed by the maker

Not available

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Call quality notes (measured)iMeasured by a reviewer, not claimed by the maker

Not available

Clear voices in ideal conditions. Not especially good at rejecting background noise in the simulated office test. Voices stay audible in the windy test.5Measurementsoundguys.com/anker-soundcore-aerofit-2-review-126119Read 13 October 2026Demo recordings in ideal, office, street, windy and reverberant conditions. Firmware 1.42 and app 3.7.3.

Mic low-frequency extension (measured)iMeasured by a reviewer, not claimed by the maker

Not available

Not available

Mic high-frequency extension (measured)iMeasured by a reviewer, not claimed by the maker

Not available

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Mic speech-to-noise ratio (measured)iMeasured by a reviewer, not claimed by the maker

Not available

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Latency (measured)iMeasured by a reviewer, not claimed by the maker

Not available

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Bluetooth latency, worst (measured)iMeasured by a reviewer, not claimed by the maker

Not available

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2.4 GHz latency, worst (measured)iMeasured by a reviewer, not claimed by the maker

Not available

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Latency in game mode (measured)iThe best case the buds can reach. Measured by a reviewer

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Battery life (measured)iReviewer-tested operation from one full charge of the earbuds. Excludes case recharges. ANC, codec, connection, volume and tested edition belong in the row or source note.

Not available

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Longest tested use per chargeiHighest earbuds-only duration among stored reviewer tests. Modes and settings may differ between tests and products.

Not available

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Battery life with case (measured)iReviewer-tested total including earbuds and case recharges. Do not calculate this by multiplying one-charge runtime by claimed recharge count.

Not available

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Full charge time (measured)iBuds in the case, 0 to 100 %. Measured by a reviewer

Not available

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Weight per bud (measured)iMeasured by a reviewer, not claimed by the maker

7.2g(0.3 oz)14Reviewt3.com/tech/earbuds/shokz-openfit-air-2-reviewRead 14 October 2026T3 weighed an earbud at 7.2 g on its own scale. Whether this was the exact retail unit is not stated.

Not available

Microphones and calls

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Voice microphones in both earbudsiPhysical call and beamforming microphones across the pair. Excludes case microphones and vibration sensors. Shared ANC microphones can also count here when used for calls.

Not available

43Maker product pageankerjapan.com/products/a3874Read 13 October 2026Call noise reduction listed as 4 mic and AI.6Spec databasesoundguys.com/product/soundcore-aerofit-2Read 13 October 2026

All microphones in both earbudsiEvery physical microphone across the pair, including call and ANC microphones. Shared microphones count once. Excludes the charging case and voice vibration sensors.

Not available

Not available

Bone conduction voice sensoriA dedicated bone or jaw conduction sensor for detecting speech vibrations. A microphone or speech-detecting accelerometer alone does not prove this architecture.

Not available

Not available

Mic noise reduction

AI1Maker product pageshokz.com/products/openfit-air-2Read 14 October 2026Page: dual microphones and AI noise reduction.

AI3Maker product pageankerjapan.com/products/a3874Read 13 October 2026

Call audio bandwidthiHighest supported call-audio bandwidth. Compatible phone, operating system, call app or network requirements belong in the source note.

Not available

Not available

Mic mute controliAn earbud control that mutes the microphone during calls. Includes touch or pressure gestures and physical buttons. Phone/app-only controls do not qualify.

Not available

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SidetoneiHear your own voice in calls

Not available

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Connectivity

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Chip

Not available

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Connections

Bluetooth3Maker product pageshokz.com.au/products/openfit-air-2Read 14 October 2026Connectivity section lists Bluetooth V6.1 only. No dongle or wired audio.

Bluetooth3Maker product pageankerjapan.com/products/a3874Read 13 October 2026Bluetooth 5.4 only.

Bluetooth

6.12Maker product pageshokz.com/pages/openfit-air-2Read 14 October 2026Bluetooth V6.1.3Maker product pageshokz.com.au/products/openfit-air-2Read 14 October 2026Bluetooth V6.1.9Press articleav.watch.impress.co.jp/docs/news/2140693.htmlRead 14 October 2026Bluetooth 6.1.

5.43Maker product pageankerjapan.com/products/a3874Read 13 October 20264Owner's manuallp.ankerjapan.com/hubfs/aoos/manual/A3874Manual.pdfRead 13 October 2026

Bluetooth codecs

SBC, AAC3Maker product pageshokz.com.au/products/openfit-air-2Read 14 October 2026Audio codecs supported: SBC, AAC.9Press articleav.watch.impress.co.jp/docs/news/2140693.htmlRead 14 October 2026Bluetooth 6.1 with SBC and AAC.10Reviewkopfhoerer.de/test/shokz-openfit-air-2Read 14 October 2026Review: the formats offered are AAC and SBC.11Reviewexpertreviews.co.uk/technology/headphones-audio/shokz-openfit-air-2-reviewRead 14 October 2026Review: SBC and AAC only.

SBC, AAC, LDAC1Maker product pageus.soundcore.com/products/a3874-aerofit-2-open-earbudsRead 13 October 2026LDAC is named on the maker page. SBC and AAC come from the Anker Japan page.3Maker product pageankerjapan.com/products/a3874Read 13 October 2026Comparison table lists SBC, AAC and LDAC.

Bluetooth profiles

A2DP, AVRCP, HFP3Maker product pageshokz.com.au/products/openfit-air-2Read 14 October 2026Compatible profiles: A2DP, AVRCP, HFP.

Not available

LE Audio

Not available

Not available

Auracast

Not available

Not available

MultipointiConcurrent Bluetooth connections to multiple source devices. Pairing memory and switching through a manufacturer account alone do not qualify.

Yes1Maker product pageshokz.com/products/openfit-air-2Read 14 October 2026Page: multipoint pairing to two devices at once.4Owner's manualhelp.shokz.com.au/file-asset/OpenFitAir2_User_Guide_PDF_ENRead 14 October 2026MultiPoint Pairing page.

Yes3Maker product pageankerjapan.com/products/a3874Read 13 October 2026

Multipoint devicesiMaximum source devices concurrently connected by Bluetooth, not the number remembered in pairing history.

22Maker product pageshokz.com/pages/openfit-air-2Read 14 October 2026Switch between 2 devices.

23Maker product pageankerjapan.com/products/a3874Read 13 October 2026Connects to 2 devices at the same time.6Spec databasesoundguys.com/product/soundcore-aerofit-2Read 13 October 2026

Multipoint with LDACiMany buds turn multipoint off on LDAC

Not available

No7Reviewdigitaltrends.com/home-theater/soundcore-aerofit-2-reviewRead 13 October 2026Enabling LDAC gives up multipoint connectivity.

Paired devices rememberediMaximum remembered Bluetooth source pairings. This is separate from simultaneous multipoint connections.

Not available

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Automatic switching between own devicesiThrough the maker's account

Not available

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Fast pairing

Google Fast Pair, Microsoft Swift Pair2Maker product pageshokz.com/pages/openfit-air-2Read 14 October 2026Footnote: Fast Pair needs Android 11 or later. Microsoft Swift Pair needs Windows 10 or later.

Not available

Audio sharingiShare one stream with a second pair

Not available

Not available

Wireless range (claimed)

10m2Maker product pageshokz.com/pages/openfit-air-2Read 14 October 2026Up to 33 ft (10 m).3Maker product pageshokz.com.au/products/openfit-air-2Read 14 October 2026Wireless range 10 m.4Owner's manualhelp.shokz.com.au/file-asset/OpenFitAir2_User_Guide_PDF_ENRead 14 October 2026Auto Reconnect page: device within 33 ft (10 m).

Not available

Wireless receiveri2.4 GHz dongle

Not available

Not available

Receiver connector

Not available

Not available

Simultaneous 2.4 GHz and Bluetooth audioiBoth connection types can play audio together. Quick switching between independent modes does not qualify.

Not available

Not available

Latency

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Low latency mode

Yes10Reviewkopfhoerer.de/test/shokz-openfit-air-2Read 14 October 2026Review: the Shokz app has a Low Latency mode. No latency figure is given.

Yes8Reviewmezha.ua/en/reviews/oglyad-anker-soundcore-aerofit-2-301914Read 13 October 2026The app main screen offers a Gaming Mode described as a low latency mode.

Claimed latency

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Lowest claimed latency

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Compatibility

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PlatformsiPlatforms with documented audio support. App availability and advanced features can be more limited. Edition-specific support is listed in variants.

Android, iOS, Windows2Maker product pageshokz.com/pages/openfit-air-2Read 14 October 2026MultiPoint Pairing is stated as compatible across Android, iOS and Windows. macOS is not stated.

Not available

Connection per platformiDocumented audio connection for each platform. USB-C phone routes require a compatible port. Platform edition and microphone restrictions belong in source notes or feature requirements.

AShokz OpenFit Air 2

Platform	Connection
Android	Bluetooth
iOS	Bluetooth
Windows	Bluetooth

Source2Maker product pageshokz.com/pages/openfit-air-2Read 14 October 2026Bluetooth on the three named platforms. Microphone use per platform is not stated.

Bsoundcore AeroFit 2

Not available

Features that need a specific deviceiDevice, operating system, firmware, codec, content, account or region requirements for a named feature.

AShokz OpenFit Air 2

Feature	Needs
Google Fast Pair	Android 11 or later.
Microsoft Swift Pair	Windows 10 or later.
MultiPoint Pairing	Shokz App on the phone and the latest earbud firmware. Turn it on in the app.
Find My Earbuds	Shokz App with the earbuds connected. It rings one earbud. Do not use it while wearing the earbuds.
Low latency mode	Shokz App.
Volume and track controls	Functions may vary depending on the software or device used.

Source2Maker product pageshokz.com/pages/openfit-air-2Read 14 October 2026Footnotes for Fast Pair and Swift Pair. App features are listed under Everything in the App.4Owner's manualhelp.shokz.com.au/file-asset/OpenFitAir2_User_Guide_PDF_ENRead 14 October 2026MultiPoint page: update the app and the firmware first. Find My Earbuds page: do not use while wearing the earbuds.

Bsoundcore AeroFit 2

Not available

Official licence

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Battery and charging

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Battery per budiBattery cell capacity of one earbud. The source note states typical or rated capacity. Charging input current is not capacity.

56mAh3Maker product pageshokz.com.au/products/openfit-air-2Read 14 October 2026Earbuds 56 mAh (min.). Li-ion. A minimum rated capacity, not typical.

Not available

User-replaceable earbud batteryiThe maker documents normal battery replacement by the user with its approved procedure and tools. Service or recycling disassembly does not count.

Not available

Not available

Claimed battery lifeiManufacturer maximum runtime under the stated mode, codec and spatial processing state. Name the spatial or immersive processing mode and other conditions in source notes. Omit unspecified settings. with_case false means one charge of the earbuds. true means earbuds plus case recharges.

AShokz OpenFit Air 2

Mode	Codec	Includes case recharges	Hours (h)
ANC off	AAC	No	8
ANC off	AAC	Yes	36
Call	Not available	No	6
Call	Not available	Yes	25

Source2Maker product pageshokz.com/pages/openfit-air-2Read 14 October 2026Compare table: 8 hours (36 hours with case). Footnote: Shokz Lab, 25 plus or minus 2 degrees C, AAC audio at 50 percent volume. Call times are from the Australian table.3Maker product pageshokz.com.au/products/openfit-air-2Read 14 October 2026Up to 8 hours music on one charge and up to 36 hours with the case. Up to 6 hours calling and up to 25 hours with the case.

Bsoundcore AeroFit 2

Mode	Includes case recharges	Hours (h)
ANC off	No	10
ANC off	Yes	42

Source1Maker product pageus.soundcore.com/products/a3874-aerofit-2-open-earbudsRead 13 October 2026Up to 10 hours on a single charge and up to 42 hours with the case. The UK store page states a total of 35 hours with the case.3Maker product pageankerjapan.com/products/a3874Read 13 October 202610 hours for the earbuds alone and 42 hours with the charging case.

Longest claimed use per chargeiHighest earbuds-only runtime among all stored modes. This can be ANC off, Hearing Aid, heart-rate or call use. Read the battery table and source conditions.

8h=CalculatedFrom Claimed battery life

10h=CalculatedFrom Claimed battery life

Playback per charge with ANC (claimed)iHighest claimed earbuds-only playback with ANC enabled. Codec and spatial-audio conditions belong in the source note.

Not available

Not available

Playback per charge without ANC (claimed)iHighest claimed earbuds-only playback with ANC disabled. Codec and volume conditions belong in the source note.

8h=CalculatedFrom Claimed battery life

10h=CalculatedFrom Claimed battery life

Total with case (claimed)iHighest claimed runtime including the initial earbud charge and all case recharges. It is not the case recharge runtime alone.

36h=CalculatedFrom Claimed battery life

42h=CalculatedFrom Claimed battery life

Total with case and ANC (claimed)iClaimed total playback with ANC, including the initial earbud charge and case recharges.

Not available

Not available

Talk time (claimed)

6h=CalculatedFrom Claimed battery life

Not available

Full charge time, budsiTime to charge discharged earbuds to full in the case. Excludes charging the case itself or a combined buds-and-case result.

60min3Maker product pageshokz.com.au/products/openfit-air-2Read 14 October 2026Charge the earbuds in the charging case: 60 minutes.4Owner's manualhelp.shokz.com.au/file-asset/OpenFitAir2_User_Guide_PDF_ENRead 14 October 2026About 60 minutes to fully charge the earbuds in the charging case.

60min4Owner's manuallp.ankerjapan.com/hubfs/aoos/manual/A3874Manual.pdfRead 13 October 2026Earbuds charge within 1 hour. Stored as 60 minutes.

Charging guidanceiPublished charging guidance or estimates that do not separate earbuds and case. Preserve the maker’s component scope and limits. Do not assign an unspecified or combined estimate to a component-specific numeric field.

The charging case runs on 5 V plus or minus 5 percent over USB-C. Shokz advises against higher-voltage chargers. The case does not support wireless charging. Charge times come from Shokz lab tests. The quick charge test used a standard power adapter at 25 plus or minus 2 degrees C.3Maker product pageshokz.com.au/products/openfit-air-2Read 14 October 2026Charge voltage 5 V plus or minus 5 percent.4Owner's manualhelp.shokz.com.au/file-asset/OpenFitAir2_User_Guide_PDF_ENRead 14 October 2026Charging pages: 5 V plus or minus 5 percent, a higher-voltage source is not recommended.

Earbuds charge within 1 hour. The case and earbuds together take about 2.2 hours by USB-C cable and about 2.6 hours on a wireless charger. Input is 5 V 1.2 A.4Owner's manuallp.ankerjapan.com/hubfs/aoos/manual/A3874Manual.pdfRead 13 October 2026Case and earbuds about 2.2 hours by cable and 2.6 hours wireless in the French and Danish guides. Input 5 V 1.2 A.

Quick charge timeiCharge duration corresponding to quick_charge_playback_h. Source note states earbuds-only or case-inclusive charging and playback settings.

10min2Maker product pageshokz.com/pages/openfit-air-2Read 14 October 2026Footnote: a 10-minute charge in the charging case gives about 3 hours of music playback, AAC at 50 percent volume, standard power adapter.3Maker product pageshokz.com.au/products/openfit-air-2Read 14 October 2026Quick charge: 10 minutes gives 3 hours of music.

10min3Maker product pageankerjapan.com/products/a3874Read 13 October 202610 minutes of charging gives up to 4 hours of playback.

Earbud playback after quick chargeiEarbuds-only runtime after quick_charge_min of charging. A claimed case-inclusive total does not qualify. ANC, codec and volume conditions belong in the source note.

3h2Maker product pageshokz.com/pages/openfit-air-2Read 14 October 2026Footnote: about 3 hours of music playback after a 10-minute charge. Earbuds-only runtime.3Maker product pageshokz.com.au/products/openfit-air-2Read 14 October 2026Quick charge: 10 minutes gives 3 hours of music.

4h3Maker product pageankerjapan.com/products/a3874Read 13 October 2026

Charging case

3 of 10 differ

Case batteryiCharging-case battery cell capacity. The source note distinguishes typical, rated and output capacity. USB output capacity alone does not qualify.

600mAh3Maker product pageshokz.com.au/products/openfit-air-2Read 14 October 2026Charging case 600 mAh (min.). A minimum rated capacity, not typical.

750mAh4Owner's manuallp.ankerjapan.com/hubfs/aoos/manual/A3874Manual.pdfRead 13 October 2026Specifications page lists battery capacity 750 mAh. This is the charging case battery.

User-replaceable case batteryiThe maker documents normal case battery replacement by the user with its approved procedure and tools. Service or recycling disassembly does not count.

Not available

Not available

Case charging port

USB-C4Owner's manualhelp.shokz.com.au/file-asset/OpenFitAir2_User_Guide_PDF_ENRead 14 October 2026Charging the Charging Case page: connect the USB-C charging cable to the case.

USB-C4Owner's manuallp.ankerjapan.com/hubfs/aoos/manual/A3874Manual.pdfRead 13 October 2026USB-C charging port on the case.

Case full charge timeiBy cable, 0 to 100 %. A time the maker gives with the earbuds inside the case counts, and the source note says so.

100min3Maker product pageshokz.com.au/products/openfit-air-2Read 14 October 2026Earbuds plus charging case charging time: 100 minutes. The user guide says about 100 minutes to fully charge the case with a USB-C cable.4Owner's manualhelp.shokz.com.au/file-asset/OpenFitAir2_User_Guide_PDF_ENRead 14 October 2026About 100 minutes to fully charge the charging case with a USB-C cable.

102min4Owner's manuallp.ankerjapan.com/hubfs/aoos/manual/A3874Manual.pdfRead 13 October 2026Case charge time about 1.7 hours by USB-C cable. Stored as 102 minutes.

Wireless charging

No4Owner's manualhelp.shokz.com.au/file-asset/OpenFitAir2_User_Guide_PDF_ENRead 14 October 2026Charging the Charging Case page: this product does not support wireless charging. The US store page lists a wireless charging line that comes from a shared template and is not used.11Reviewexpertreviews.co.uk/technology/headphones-audio/shokz-openfit-air-2-reviewRead 14 October 2026Review: wireless charging is omitted.

Yes1Maker product pageus.soundcore.com/products/a3874-aerofit-2-open-earbudsRead 13 October 2026Place the case on a wireless charger to recharge.

Wireless standardsiDocumented case charging standards or supported chargers. Magnetic alignment alone does not establish Qi2 certification.

Not available

Not available

Wireless charging poweriHighest wireless charging input the maker states for the case. The output of a charging pad does not count.

Not available

Not available

Speaker in caseiAn audio speaker physically in the charging case, for locating or status sounds. A microphone in the case is separate.

Not available

Not available

Screen on case

Not available

Not available

Case works as audio transmitteriCase relays external source audio through USB or an analog audio input. A case microphone for recording or calls does not qualify.

Not available

Not available

Controls

4 of 5 differ

ControlsiPressure is a force sensor that does not move, such as a stem you squeeze. Button is a key that moves when pressed.

Pressure2Maker product pageshokz.com/pages/openfit-air-2Read 14 October 2026Pressure-sensitive buttons with a tactile point. A footnote says they do not physically depress like a mechanical button.4Owner's manualhelp.shokz.com.au/file-asset/OpenFitAir2_User_Guide_PDF_ENRead 14 October 2026Tactile button instructions. The guide calls them tactile buttons.

Touch3Maker product pageankerjapan.com/products/a3874Read 13 October 2026

Earbud volume controliHow earbud controls adjust volume, including a voice command if supported. Phone or app controls alone do not qualify.

Pressure2Maker product pageshokz.com/pages/openfit-air-2Read 14 October 2026Press and hold left for volume down and right for volume up.4Owner's manualhelp.shokz.com.au/file-asset/OpenFitAir2_User_Guide_PDF_ENRead 14 October 2026Volume Controls page: press and hold left for down, right for up.

Touch7Reviewdigitaltrends.com/home-theater/soundcore-aerofit-2-reviewRead 13 October 2026Volume gestures can be assigned in the app. They are not set by default.

Gestures

Press either button once: play or pause, answer or end a call, Press either button twice: next track, reject a call, Press either button three times: previous track, Press and hold left button: volume down, Press and hold right button: volume up2Maker product pageshokz.com/pages/openfit-air-2Read 14 October 2026Press x1, x2, x3 and press and hold on either earbud.4Owner's manualhelp.shokz.com.au/file-asset/OpenFitAir2_User_Guide_PDF_ENRead 14 October 2026Audio, call and volume control pages.

Right double tap: play or pause, Left double tap: next track, Double tap during a call: answer, Hold for 2 seconds during a call: reject or end4Owner's manuallp.ankerjapan.com/hubfs/aoos/manual/A3874Manual.pdfRead 13 October 2026Default touch controls in the guide. Other actions are set in the soundcore app.

Remappable controls

Yes2Maker product pageshokz.com/pages/openfit-air-2Read 14 October 2026Shokz App: assign volume, play and pause, track skipping, voice assistant and more to the button.

Yes4Owner's manuallp.ankerjapan.com/hubfs/aoos/manual/A3874Manual.pdfRead 13 October 20267Reviewdigitaltrends.com/home-theater/soundcore-aerofit-2-reviewRead 13 October 2026

Voice assistant

Phone voice assistant2Maker product pageshokz.com/pages/openfit-air-2Read 14 October 2026The assistant is not named. A voice assistant can be assigned in the app.

Not available

Sensors and health

0 of 9 differ

In-ear detection

No12Reviewsenses.se/enRead 14 October 2026Review: the OpenFit Air 2 does not have wear detection. The maker documents do not mention it.

No6Spec databasesoundguys.com/product/soundcore-aerofit-2Read 13 October 2026Auto pause is listed as No.

Sensors

Not available

Not available

Heart rate sensor

Not available

Not available

Skin temperature sensingiA documented skin temperature sensor. This is separate from the operating temperature range or a heart-rate sensor.

Not available

Not available

Hearing aid featureiAmplification for mild to moderate hearing loss

Not available

Not available

Medical clearances

Not available

Not available

Hearing testiA documented hearing assessment feature, including consumer sound-personalization tests. Medical diagnostic clearance must be stated separately.

Not available

Not available

Hearing protectioniLimits sudden loud sounds

Not available

Not available

Health features

Not available

Not available

Fit and durability

1 of 7 differ

Ear tips includediTip sizes supplied with the product, including the pair fitted to the earbuds. Do not list separately sold sizes as included.

Not available

Not available

Ear tip materials

Not available

Not available

StabilisersiPhysical stabilizing fittings or structures. Stability bands are separate from fins, wings and ear hooks.

Ear hook1Maker product pageshokz.com/products/openfit-air-2Read 14 October 2026The page and guide show an ear hook with a Ni-Ti frame.

Ear hook1Maker product pageus.soundcore.com/products/a3874-aerofit-2-open-earbudsRead 13 October 20263Maker product pageankerjapan.com/products/a3874Read 13 October 2026Ear hook angle adjustable in 4 steps.

Ear tip fit test

Not available

Not available

Dust and water rating, buds

IP552Maker product pageshokz.com/pages/openfit-air-2Read 14 October 2026Earbuds IP55 under IEC 60529. Not for swimming or showering.3Maker product pageshokz.com.au/products/openfit-air-2Read 14 October 2026Earbuds IP55.4Owner's manualhelp.shokz.com.au/file-asset/OpenFitAir2_User_Guide_PDF_ENRead 14 October 2026IP Rating page: earbuds IP55 and case IP54 under IEC 60529.

IP553Maker product pageankerjapan.com/products/a3874Read 13 October 20264Owner's manuallp.ankerjapan.com/hubfs/aoos/manual/A3874Manual.pdfRead 13 October 2026

Dust and water rating, case

IP542Maker product pageshokz.com/pages/openfit-air-2Read 14 October 2026Charging case IP54.3Maker product pageshokz.com.au/products/openfit-air-2Read 14 October 2026Charging case IP54.4Owner's manualhelp.shokz.com.au/file-asset/OpenFitAir2_User_Guide_PDF_ENRead 14 October 2026IP Rating page: charging case IP54.

Not available

Water resistance depth

Not available

Not available

Software

3 of 6 differ

Companion app

Shokz App2Maker product pageshokz.com/pages/openfit-air-2Read 14 October 2026Shokz App.4Owner's manualhelp.shokz.com.au/file-asset/OpenFitAir2_User_Guide_PDF_ENRead 14 October 2026Shokz App for EQ, MultiPoint, controls, firmware, Find My Earbuds and prompt tone volume.

soundcore4Owner's manuallp.ankerjapan.com/hubfs/aoos/manual/A3874Manual.pdfRead 13 October 2026

App platforms

iOS, Android4Owner's manualhelp.shokz.com.au/file-asset/OpenFitAir2_User_Guide_PDF_ENRead 14 October 2026The guide shows App Store and Google Play download badges.

Android, iOS4Owner's manuallp.ankerjapan.com/hubfs/aoos/manual/A3874Manual.pdfRead 13 October 20266Spec databasesoundguys.com/product/soundcore-aerofit-2Read 13 October 2026

User firmware updates

Yes4Owner's manualhelp.shokz.com.au/file-asset/OpenFitAir2_User_Guide_PDF_ENRead 14 October 2026MultiPoint page says to upgrade the earbud firmware to the latest version. The app has a firmware upgrade function.

Yes4Owner's manuallp.ankerjapan.com/hubfs/aoos/manual/A3874Manual.pdfRead 13 October 2026

Finding network

Not available

Not available

Precision findingiUWB in the case

Not available

Not available

Live translation

Not available

Yes1Maker product pageus.soundcore.com/products/a3874-aerofit-2-open-earbudsRead 13 October 2026AI translation for 100 languages in the soundcore app, with the app and firmware updated.

Dimensions and weight

2 of 4 differ

Weight per budiMass of one earbud. Tip size and approximate values belong in the source note. Do not store pair or case-inclusive mass.

7.2g(0.3 oz)2Maker product pageshokz.com/pages/openfit-air-2Read 14 October 2026Compare table: earbuds 7.2 g plus or minus 0.2 g.3Maker product pageshokz.com.au/products/openfit-air-2Read 14 October 2026Earbuds 7.2 g plus or minus 0.2 g.

Not available

Bud dimensionsiDimensions of one earbud on the explicitly identified width, height and depth axes. An unlabeled tuple cannot establish those axes.

Not available

Not available

Case weightiCharging case mass excluding earbuds. Case-inclusive product mass does not qualify unless the source explicitly gives the empty-case figure.

46.4g(1.6 oz)2Maker product pageshokz.com/pages/openfit-air-2Read 14 October 2026Compare table: charging case 46.4 g plus or minus 2 g. Total 60.8 g plus or minus 2 g.3Maker product pageshokz.com.au/products/openfit-air-2Read 14 October 2026Charging case 46.4 g plus or minus 2 g.

65g(2.3 oz)5Measurementsoundguys.com/anker-soundcore-aerofit-2-review-126119Read 13 October 2026Spec table lists case weight 65 g. Digital Trends also lists 65 g for the charging case.7Reviewdigitaltrends.com/home-theater/soundcore-aerofit-2-reviewRead 13 October 2026Weight listed as 65 g for the charging case.

Case dimensionsiCharging-case width, height and depth on explicitly identified source axes. Report conflicting axis labels rather than reorder a tuple by appearance.

Not available

Not available

Certifications

None of 3 known

Hi-Res AudioiThe Japan Audio Society logos. Hi-Res Audio Wireless is also written Hi-Res Wireless Audio.

Not available

Not available

Communication certifications

Not available

Not available

FCC IDs

Not available

Not available

Other certifications

Not available

Not available

In the box

2 of 2 differ

In the box

OpenFit Air 2 open-ear Bluetooth earbuds, Charging case, User guide, Legal information, Warranty card1Maker product pageshokz.com/products/openfit-air-2Read 14 October 2026What's in the box: earbuds x2, charging case, packaging box, user guide, legal information, warranty card. No USB-C cable is included.

Earbuds, Charging case, USB-C charging cable, Quick guide with a QR code for the app8Reviewmezha.ua/en/reviews/oglyad-anker-soundcore-aerofit-2-301914Read 13 October 2026The package has a charging case with the earbuds, a USB Type-C charging cable and a short instruction sheet with a QR code for the app.

Cables included

AShokz OpenFit Air 2

Not available

Bsoundcore AeroFit 2

Type	Count
USB-C charging cable	1

Source8Reviewmezha.ua/en/reviews/oglyad-anker-soundcore-aerofit-2-301914Read 13 October 2026USB Type-C charging cable. The length is not stated.

Links

Not compared

Product page

shokz.com/products/openfit-air-21Maker product pageshokz.com/products/openfit-air-2Read 14 October 2026

us.soundcore.com/products/a3874-aerofit-2-open-earbuds1Maker product pageus.soundcore.com/products/a3874-aerofit-2-open-earbudsRead 13 October 2026

Spec sheet

shokz.com.au/products/openfit-air-23Maker product pageshokz.com.au/products/openfit-air-2Read 14 October 2026Full specification table on the Australian maker store.

Not available

Manual

help.shokz.com.au/file-asset/OpenFitAir2_User_Guide_PDF_EN4Owner's manualhelp.shokz.com.au/file-asset/OpenFitAir2_User_Guide_PDF_ENRead 14 October 2026English user guide for model T520, 45 pages.

lp.ankerjapan.com/hubfs/aoos/manual/A3874Manual.pdf4Owner's manuallp.ankerjapan.com/hubfs/aoos/manual/A3874Manual.pdfRead 13 October 2026

EPREL registration numberiId in the EU energy label database. Each size or model of a series has its own id, so it is per variant.

Not available

Not available

Warranty

1 of 1 differ

Manufacturer warranty (source market)iThe maker's warranty period for the exact SKU or configuration and market named in the source note. It applies only to that stated market, not every regional variant. Statutory consumer rights are excluded. The base term is stored. An extension that needs registration goes in the source note.

2years1Maker product pageshokz.com/products/openfit-air-2Read 14 October 2026US store: 2-year warranty on every purchase from Shokz.com. The Australian specification table also says 2 years.3Maker product pageshokz.com.au/products/openfit-air-2Read 14 October 2026Warranty 2 years, Australian store.

Not available

Both are also in the API. Back to all earbuds.