Earbuds / Compare

Shokz OpenFit 2 vs soundcore AeroFit 2

A

Product A: Shokz

OpenFit 2

64 of 166 known

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B

Product B: soundcore

AeroFit 2

58 of 166 known

Change soundcore AeroFit 2

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All 166 fields

Every value links to where we found it.

Only differences

AShokz OpenFit 2

Bsoundcore AeroFit 2

General

6 of 8 differ

Series

OpenFit1Maker product pageshokz.com/products/openfit-2Read 11 October 2026FAQ: the OpenFit 2 is a fully upgraded version of the OpenFit. The OpenFit line is stored as the series, as for the OpenFit Pro.

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.

T920, T920-ST-BK-US, T920-ST-BG-US, T920-ST-BK-EU-000, T920-ST-BG-EU-0007Maker product pagede.shokz.com/products/openfit2Read 11 October 2026Spec table row Modellnummer: SHOKZ T920. Retail SKUs are in the store product data listed on the .js sources.13Maker product pageshokz.com/products/openfit2.jsRead 11 October 2026US store product data: SKU T920-ST-BK-US (Black) and T920-ST-BG-US (Beige), both at 179.95 USD.14Maker product pagede.shokz.com/products/openfit2.jsRead 11 October 2026German store product data: SKU T920-ST-BK-EU-000 (Schwarz) and T920-ST-BG-EU-000 (Beige) at 189.00 EUR. Both show as unavailable on 2026-10-11. No barcode is published.

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

810160666967, 81016066697413Maker product pageshokz.com/products/openfit2.jsRead 11 October 2026US store barcode field: 810160666967 for Black and 810160666974 for Beige.

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.

7 January 20258Press articleengadget.com/audio/headphones/the-shokz-openfit-2-promises-better-sound-and-longer-battery-life-130016786.htmlRead 11 October 2026Engadget, 7 Jan 2025: the OpenFit 2 was announced and was available that day for $180 on the Shokz website.13Maker product pageshokz.com/products/openfit2.jsRead 11 October 2026US store listing was published on 2025-01-07, the day of the Engadget announcement report.

Not available

Status

Available13Maker product pageshokz.com/products/openfit2.jsRead 11 October 2026US store lists both colours as available on 2026-10-11.

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

Not available

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.

$179.956Press articlesoundguys.com/shokz-openfit-2-debuts-with-dolby-audio-144647Read 10 October 2026SoundGuys news, Sep 22 2025: the OpenFit 2 launched at $179.95. The OpenFit 2+ has Qi wireless charging as a first for the series. The same news says Bluetooth 5.4 is new in the 2+ against 5.3 in the OpenFit 2. Shokz states 5.4 for the OpenFit 2, as do SoundGuys' own OpenFit 2 review, T3 and Tom's Guide, so the maker value is stored.

$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.

€1897Maker product pagede.shokz.com/products/openfit2Read 11 October 2026Germany. The maker store lists 189,00 EUR as the regular price. Appgefahren (8 Apr 2025) reports the German start at 159 EUR instead of 189 EUR, a launch discount. The regular price is stored as the MSRP, incl. VAT.9Press articleappgefahren.de/shokz-openfit-2-neue-open-ear-kopfhoerer-starten-mit-30-euro-rabatt-377005.htmlRead 11 October 2026German press, 8 Apr 2025: start price 159 EUR instead of 189 EUR. 189 EUR is the regular price and matches the maker store.

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, DE1Maker product pageshokz.com/products/openfit-2Read 11 October 2026US store with US dollar prices. Documented subset.7Maker product pagede.shokz.com/products/openfit2Read 11 October 2026German store with euro prices. Documented subset.9Press articleappgefahren.de/shokz-openfit-2-neue-open-ear-kopfhoerer-starten-mit-30-euro-rabatt-377005.htmlRead 11 October 2026German market start in April 2025 with black and beige.

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, Beige1Maker product pageshokz.com/products/openfit-2Read 11 October 2026Store lists Black and Beige.

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

Sport5Maker product pageshokz.com/pages/openfit2-compare-specRead 11 October 2026Shokz product list groups OpenFit 2 under Workout and Lifestyle open earbuds.

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

Design

0 of 4 differ

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-2Read 11 October 2026Stay Aware with an Open-Ear Design. Clip-on ear hook, no ear tips.

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 hook2Maker product pageshokz.com/pages/openfit2Read 10 October 2026Ear-hook design.

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 bud3Maker product pageshokz.com/pages/openfit2-supportRead 10 October 2026FAQ: both earbuds can be used independently, each keeps its button functions.

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

8 of 17 differ

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

AShokz OpenFit 2

Type	Role	Count per earbud
Dynamic	Woofer	1
Not available	Tweeter	1

Source2Maker product pageshokz.com/pages/openfit2Read 10 October 2026DualBoost: an independent high-frequency unit and a 21 mm x 11 mm custom dynamic low-frequency driver. The EU spec table confirms the low-frequency unit is a dynamic driver. The sources give no technology for the high-frequency unit and no circular diameter, so only the woofer type is stored. One of each per earbud is read from the description.7Maker product pagede.shokz.com/products/openfit2Read 11 October 2026Footnote: the low-frequency unit has a custom 21 mm x 11 mm dynamic driver. Sensitivity rows list a woofer and a tweeter unit.

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.

Not available

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.

Not available

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

Custom composite diaphragm with a polymer surround and a PEN dome-shaped inner cap (low-frequency driver)2Maker product pageshokz.com/pages/openfit2Read 10 October 2026DualBoost section: custom composite diaphragm with a high-performance polymer surround and a PEN dome-shaped inner cap, for the OpenFit 2 Series.

Not available

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

Min50 HzMax16 kHz5Maker product pageshokz.com/pages/openfit2-compare-specRead 11 October 2026Compare table row Speaker Frequency Response: 50 Hz - 16 kHz for the OpenFit 2 column. Maker figure, codec and conditions not stated.

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

Not available

Sensitivity reference

Not available

Not available

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

Not available

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

Not available

Personalised soundiA profile from a hearing test or ear scan

Not available

Not available

Onboard EQ

Not available

Not available

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

510Reviewsoundguys.com/shokz-openfit-2-review-iteration-done-right-133776Read 11 October 2026Review of firmware EU_V_05 with app 5.2.4: the app offers a 5-band custom EQ at 64 Hz, 100 Hz, 1 kHz, 4 kHz and 8 kHz.11Reviewtomsguide.com/audio/headphones/i-ran-cycled-and-worked-out-with-the-shokz-openfit-2-heres-my-verdictRead 11 October 2026Review: four preset EQ modes in the app and five sliders for manual adjustment.

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 Boost, Treble Boost3Maker product pageshokz.com/pages/openfit2-supportRead 10 October 2026FAQ: four customizable EQ modes in the Shokz App: Standard, Vocal, Bass Boost and Treble Boost.

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

1 of 11 differ

Active noise cancelling

No12Reviewt3.com/active/shokz-openfit-2-reviewRead 11 October 2026Review spec list: ANC No. The text says there is no 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

Not available

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

No12Reviewt3.com/active/shokz-openfit-2-reviewRead 11 October 2026Review text: there is no active noise cancellation or transparency mode.

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

Not available

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

Not available

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

Not available

Not available

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

Not available

Not available

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

Not available

Not available

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

Not available

Not available

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

Not available

Not available

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

Not available

Not available

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

Not available

Not available

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

Not available

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

Not available

Not available

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

Not available

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

Not available

Not available

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

Not available

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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

Not available

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

Not available

Not available

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

Not available

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

Not available

Not available

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

Not available

Not available

Microphones and calls

1 of 7 differ

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.

41Maker product pageshokz.com/products/openfit-2Read 11 October 2026Two microphones in each earbud ensure your voice is clear on calls. The user guide says the microphones are exclusively for voice calls.

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.

41Maker product pageshokz.com/products/openfit-2Read 11 October 2026Two microphones in each earbud, four across the pair.

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-2Read 11 October 2026Maker heading: AI-Powered, Crystal-Clear Calls, with two microphones in each earbud. German press describes them as AI microphones.

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

Not available

SidetoneiHear your own voice in calls

Not available

Not available

Connectivity

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Chip

Not available

Not available

Connections

Bluetooth1Maker product pageshokz.com/products/openfit-2Read 11 October 2026Bluetooth only. No other connection is listed.

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

Bluetooth

5.45Maker product pageshokz.com/pages/openfit2-compare-specRead 11 October 2026Compare table row Bluetooth Versions: V5.4 for the OpenFit 2 column.7Maker product pagede.shokz.com/products/openfit2Read 11 October 2026Spec table row Bluetooth-Version: Bluetooth 5.4.10Reviewsoundguys.com/shokz-openfit-2-review-iteration-done-right-133776Read 11 October 2026Review spec text: Bluetooth 5.4.

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, AAC5Maker product pageshokz.com/pages/openfit2-compare-specRead 11 October 2026Compare table row Compatible Codecs: SBC, AAC.7Maker product pagede.shokz.com/products/openfit2Read 11 October 2026Spec table row Unterstuetzte Audio-Codecs: AAC, SBC.

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, HFP5Maker product pageshokz.com/pages/openfit2-compare-specRead 11 October 2026Compare table row Compatible Profiles: A2DP, AVRCP, HFP.7Maker product pagede.shokz.com/products/openfit2Read 11 October 2026Spec table row Kompatible Profile: 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-2Read 11 October 20264Owner's manualcdn.shopify.com/s/files/1/0857/5574/files/OPENFIT_2_User_Guide.pdfRead 10 October 2026MultiPoint Pairing chapter: turned on in the Shokz App to connect two devices.

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

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

21Maker product pageshokz.com/products/openfit-2Read 11 October 2026Easy MultiPoint Pairing: stable and fast connectivity to two devices simultaneously.

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

Not available

Automatic switching between own devicesiThrough the maker's account

Not available

Not available

Fast pairing

Not available

Not available

Audio sharingiShare one stream with a second pair

Not available

Not available

Wireless range (claimed)

10m7Maker product pagede.shokz.com/products/openfit2Read 11 October 2026Spec table row Funkreichweite: 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

1 of 3 differ

Low latency mode

Not available

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

Not available

Not available

Lowest claimed latency

Not available

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Compatibility

1 of 4 differ

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

Not available

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.

Not available

Not available

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

AShokz OpenFit 2

Feature	Needs
Touch control for the voice assistant	The touch area only starts the device's voice assistant. It is off by default and is turned on in the Shokz App.
MultiPoint pairing	Turned on in the Shokz App after updating the app and the earbud firmware.
Battery test	Shokz lab at 25 +/- 2 C, SBC audio at 50 percent volume, other features at default.

Source1Maker product pageshokz.com/products/openfit-2Read 11 October 2026Voice assistant touch control is off by default. MultiPoint is set in the Shokz App. Battery claims come from the Shokz Lab SBC test.

Bsoundcore AeroFit 2

Not available

Official licence

Not available

Not available

Battery and charging

8 of 13 differ

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

56mAh7Maker product pagede.shokz.com/products/openfit2Read 11 October 2026Spec table row Mindestakkukapazitaet: earbuds 56 mAh. This is a minimum capacity.

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 2

Mode	Codec	Includes case recharges	Hours (h)
ANC off	SBC	No	11
ANC off	SBC	Yes	48
Call	Not available	No	8
Call	Not available	Yes	36

Source1Maker product pageshokz.com/products/openfit-2Read 11 October 2026Up to 11 hours on a single charge and up to 48 hours with the charging case. The Shokz Lab test for the OpenFit 2 Series plays SBC audio at 50 percent volume at 25 +/- 2 C, other features default.7Maker product pagede.shokz.com/products/openfit2Read 11 October 2026Call rows from the row Gespraechszeit: up to 8 hours talk time on a single charge and up to 36 hours in total with the charging case. The footnote says the battery data come from the Shokz Lab at 25 +/- 2 C with SBC audio at 50 percent volume and other features at default.

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.

11h=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.

11h=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.

48h=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)

8h=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.

60min1Maker product pageshokz.com/products/openfit-2Read 11 October 2026Compare table: charge the earbuds with the charging case: 60 minutes.

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 takes 5 V plus or minus 5 percent over USB-C. The user guide advises against high-voltage power sources and third-party cables can lengthen charging.7Maker product pagede.shokz.com/products/openfit2Read 11 October 2026Spec table row Ladespannung: 5 V +/- 5 percent. The user guide says the case runs on standard USB voltage and advises against high-voltage power sources.

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.

10min1Maker product pageshokz.com/products/openfit-2Read 11 October 2026A quick 10-minute charge delivers 2 hours of playtime. SoundGuys' review of the OpenFit 2+ says the OpenFit 2 needed 5 minutes for the same runtime. The maker's current 10 minutes is stored.

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.

2h1Maker product pageshokz.com/products/openfit-2Read 11 October 2026Earbud playtime after the quick charge. Quick charging needs the charging case in the green light state.

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

Charging case

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

600mAh7Maker product pagede.shokz.com/products/openfit2Read 11 October 2026Spec table row Mindestakkukapazitaet: charging case 600 mAh. This is a minimum capacity.

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-C1Maker product pageshokz.com/products/openfit-2Read 11 October 2026The charging case charges by Type-C cable.

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.

100min1Maker product pageshokz.com/products/openfit-2Read 11 October 2026Compare table: empty case with charging cable: 100 minutes.

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

No1Maker product pageshokz.com/products/openfit-2Read 11 October 2026The compare table gives the OpenFit 2 a USB-C case. Qi wireless charging is sold with the OpenFit 2+, a separate model with Dolby Audio that is not stored here.

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

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

Button1Maker product pageshokz.com/products/openfit-2Read 11 October 2026Physical multifunction buttons. A touch area only wakes the voice assistant and is off by default.

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.

Buttons1Maker product pageshokz.com/products/openfit-2Read 11 October 2026Press and hold the left or right button for volume down and 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

Click: play or pause, answer or end a call, Double-click: next track, reject a call, Triple-click: previous track, Press and hold left button: volume down, Press and hold right button: volume up4Owner's manualcdn.shopify.com/s/files/1/0857/5574/files/OPENFIT_2_User_Guide.pdfRead 10 October 2026Music, call and volume control pages. The guide's numerals do not extract from the PDF, the gestures are read from the text.

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

Yes1Maker product pageshokz.com/products/openfit-2Read 11 October 2026Shokz App: customise the physical button actions such as play or pause, skip tracks or volume.

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

Not available

Not available

Sensors and health

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In-ear detection

No10Reviewsoundguys.com/shokz-openfit-2-review-iteration-done-right-133776Read 11 October 2026Review lists no wear detection as a con: the earbuds do not pause when removed.

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

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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 hook2Maker product pageshokz.com/pages/openfit2Read 10 October 2026Flexible ear hook with an integrated Ni-Ti alloy. This is the OpenFit 2 Series page, which also covers the OpenFit 2+.

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

IP551Maker product pageshokz.com/products/openfit-2Read 11 October 2026IP55 for the earbuds only, tested under IEC 60529. The charging case is not rated waterproof.

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

Not available

Not available

Water resistance depth

Not available

Not available

Software

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Companion app

Shokz App1Maker product pageshokz.com/products/openfit-2Read 11 October 2026Shokz App.

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

App platforms

Android, iOS1Maker product pageshokz.com/products/openfit-2Read 11 October 2026The user guide shows the App Store and Google Play download.

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

Yes3Maker product pageshokz.com/pages/openfit2-supportRead 10 October 2026FAQ: the Shokz App keeps track of firmware updates.

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.

9.4g(0.3 oz)1Maker product pageshokz.com/products/openfit-2Read 11 October 2026Compare table: earbuds 9.4 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.

53g(1.9 oz)1Maker product pageshokz.com/products/openfit-2Read 11 October 2026Compare table: charging case 53 g plus or minus 2.0 g. Total weight 71.8 g plus or minus 2.0 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

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In the box

OpenFit 2 earbuds, Charging case, Type-C charging cable, User guide, Legal statement, Warranty card1Maker product pageshokz.com/products/openfit-2Read 11 October 2026What's in the box list.

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 2

Type	Count
USB-C	1

Source4Owner's manualcdn.shopify.com/s/files/1/0857/5574/files/OPENFIT_2_User_Guide.pdfRead 10 October 2026In the box page: Type-C charging cable x1.

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-21Maker product pageshokz.com/products/openfit-2Read 11 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

de.shokz.com/products/openfit27Maker product pagede.shokz.com/products/openfit2Read 11 October 2026The German product page holds the full spec table.

Not available

Manual

cdn.shopify.com/s/files/1/0857/5574/files/OPENFIT_2_User_Guide.pdf4Owner's manualcdn.shopify.com/s/files/1/0857/5574/files/OPENFIT_2_User_Guide.pdfRead 10 October 2026

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.

2years7Maker product pagede.shokz.com/products/openfit2Read 11 October 2026Spec table row Garantie: 2 Jahre. The US store also states a 2-year warranty.

Not available

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