Earbuds / Compare

Bose Sport Open Earbuds (2026) vs soundcore AeroFit 2

A

Product A: Bose

Sport Open Earbuds (2026)

59 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

ABose Sport Open Earbuds (2026)

Bsoundcore AeroFit 2

General

6 of 8 differ

Series

Not available

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.

SPORTOPN26-HEADPHONEOPN, 901149-0010, 901149-0020, 901149-0030, 445231, 231L, 231R2Owner's manualassets.bosecreative.com/asset/9e8c049a-83c5-4ed1-a12f-401c48bd8124/903705_OG_SPORTOPN26-HEADPHONEOPN_ml.pdfRead 13 October 2026Regulatory page 4 and page 7: case model 445231, left earbud 231L, right earbud 231R. SPORTOPN26-HEADPHONEOPN is the Bose product code in the file name.6Retailer pageabt.com/Bose-Sport-Open-Earbuds-in-Black-9011490010/p/249076.htmlRead 13 October 2026Abt lists Model # 901149-0010 for black. The sibling listings give 901149-0020 for White Smoke and 901149-0030 for Eucalyptus Green.

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

017817864787, 017817865418, 0178178654496Retailer pageabt.com/Bose-Sport-Open-Earbuds-in-Black-9011490010/p/249076.htmlRead 13 October 2026UPC 017817864787 for black. The White Smoke listing gives 017817865418 and the Eucalyptus Green listing gives 017817865449.

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.

17 September 20261Press releasebose.com/pressroom/bose-sport-open-earbuds-and-bose-ultra-open-earbuds-2nd-genRead 13 October 2026

Not available

Status

Available1Press releasebose.com/pressroom/bose-sport-open-earbuds-and-bose-ultra-open-earbuds-2nd-genRead 13 October 2026

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.

$1991Press releasebose.com/pressroom/bose-sport-open-earbuds-and-bose-ultra-open-earbuds-2nd-genRead 13 October 2026Sport Open Earbuds $199.3Maker product pagebose.com/p/earbuds/bose-open-earbuds/SPORTOPN26-HEADPHONEOPN.htmlRead 13 October 2026$199.00 on the US page on 2026-10-13.

$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.

€199.954Maker product pagebose.de/p/earbuds/bose-open-earbuds/SPORTOPN26-HEADPHONEOPN.htmlRead 13 October 2026Bose Germany store showed 199,95 EUR including VAT on 2026-10-13, twelve days after the October 1 release, with no strike-through price. It is read as the launch list price. The page does not label it as a launch price.

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, DE, AU4Maker product pagebose.de/p/earbuds/bose-open-earbuds/SPORTOPN26-HEADPHONEOPN.htmlRead 13 October 2026Bose Germany sells the model.5Retailer pagethegoodguys.com.au/bose-sport-open-earbuds-black-901149-0010Read 13 October 2026Sold in Australia. Model 901149-0010 for black.

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, White Smoke, Eucalyptus Green1Press releasebose.com/pressroom/bose-sport-open-earbuds-and-bose-ultra-open-earbuds-2nd-genRead 13 October 2026Black or White Smoke. Eucalyptus Green is a limited edition.3Maker product pagebose.com/p/earbuds/bose-open-earbuds/SPORTOPN26-HEADPHONEOPN.htmlRead 13 October 2026Black, White Smoke and limited-edition Eucalyptus Green.

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

Sport1Press releasebose.com/pressroom/bose-sport-open-earbuds-and-bose-ultra-open-earbuds-2nd-genRead 13 October 2026

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

Design

2 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-ear1Press releasebose.com/pressroom/bose-sport-open-earbuds-and-bose-ultra-open-earbuds-2nd-genRead 13 October 2026

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 cuff1Press releasebose.com/pressroom/bose-sport-open-earbuds-and-bose-ultra-open-earbuds-2nd-genRead 13 October 2026A C-arm cuff with a soft silicone matte finish anchors around the ear.

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.

Not available

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

3 of 17 differ

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

ABose Sport Open Earbuds (2026)

Type	Count per earbud
Dynamic	1

Source1Press releasebose.com/pressroom/bose-sport-open-earbuds-and-bose-ultra-open-earbuds-2nd-genRead 13 October 2026Custom-designed dynamic drivers. Count per earbud is read from the owner's guide, which names one earbud speaker. Diameter and acoustic role are not published.2Owner's manualassets.bosecreative.com/asset/9e8c049a-83c5-4ed1-a12f-401c48bd8124/903705_OG_SPORTOPN26-HEADPHONEOPN_ml.pdfRead 13 October 2026Page 13: hook the earbud speaker in your ear. One speaker is named 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.

Dynamic1Press releasebose.com/pressroom/bose-sport-open-earbuds-and-bose-ultra-open-earbuds-2nd-genRead 13 October 2026

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.

1=CalculatedFrom Drivers per bud

1=CalculatedFrom Drivers per bud

Diaphragm material

Not available

Not available

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

Not available

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

Not available

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.

31Press releasebose.com/pressroom/bose-sport-open-earbuds-and-bose-ultra-open-earbuds-2nd-genRead 13 October 2026Adjustable three-band EQ in the Bose app.2Owner's manualassets.bosecreative.com/asset/9e8c049a-83c5-4ed1-a12f-401c48bd8124/903705_OG_SPORTOPN26-HEADPHONEOPN_ml.pdfRead 13 October 2026Page 20: adjust bass, midrange and treble in the Bose 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.

Not available

Not available

Volume limit

Not available

Not available

Spatial audio

1 of 2 differ

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

Not available

Noise cancelling

0 of 11 differ

Active noise cancelling

No1Press releasebose.com/pressroom/bose-sport-open-earbuds-and-bose-ultra-open-earbuds-2nd-genRead 13 October 2026Open-ear design with no active noise cancellation.3Maker product pagebose.com/p/earbuds/bose-open-earbuds/SPORTOPN26-HEADPHONEOPN.htmlRead 13 October 2026

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

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

Not available

Measured

2 of 23 differ

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

Not available

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

Not available

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

2 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.

21Press releasebose.com/pressroom/bose-sport-open-earbuds-and-bose-ultra-open-earbuds-2nd-genRead 13 October 2026One dedicated microphone and one voice pickup unit in each earbud. The two microphones across the pair are counted. The voice pickup unit is not counted as a microphone.

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.

23Maker product pagebose.com/p/earbuds/bose-open-earbuds/SPORTOPN26-HEADPHONEOPN.htmlRead 13 October 2026Technical specifications: 2 Microphones. The release explains one dedicated microphone per earbud.

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

AI1Press releasebose.com/pressroom/bose-sport-open-earbuds-and-bose-ultra-open-earbuds-2nd-genRead 13 October 2026Bose SpeechClarity is described as AI-enhanced voice isolation.

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

5 of 18 differ

Chip

Not available

Not available

Connections

Bluetooth3Maker product pagebose.com/p/earbuds/bose-open-earbuds/SPORTOPN26-HEADPHONEOPN.htmlRead 13 October 2026Technical specifications: wireless connectivity Bluetooth, Bluetooth Low Energy.

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

Bluetooth

5.41Press releasebose.com/pressroom/bose-sport-open-earbuds-and-bose-ultra-open-earbuds-2nd-genRead 13 October 2026Both earbuds use Bluetooth Core 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, AAC1Press releasebose.com/pressroom/bose-sport-open-earbuds-and-bose-ultra-open-earbuds-2nd-genRead 13 October 2026

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

Not available

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.

Yes1Press releasebose.com/pressroom/bose-sport-open-earbuds-and-bose-ultra-open-earbuds-2nd-genRead 13 October 20263Maker product pagebose.com/p/earbuds/bose-open-earbuds/SPORTOPN26-HEADPHONEOPN.htmlRead 13 October 2026

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

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

21Press releasebose.com/pressroom/bose-sport-open-earbuds-and-bose-ultra-open-earbuds-2nd-genRead 13 October 2026Multipoint connectivity with two devices.2Owner's manualassets.bosecreative.com/asset/9e8c049a-83c5-4ed1-a12f-401c48bd8124/903705_OG_SPORTOPN26-HEADPHONEOPN_ml.pdfRead 13 October 2026Page 34: by default the earbuds connect to up to two devices at a time. Audio plays from one device at a time.

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.

62Owner's manualassets.bosecreative.com/asset/9e8c049a-83c5-4ed1-a12f-401c48bd8124/903705_OG_SPORTOPN26-HEADPHONEOPN_ml.pdfRead 13 October 2026Earbud device list stores up to six devices.

Not available

Automatic switching between own devicesiThrough the maker's account

Not available

Not available

Fast pairing

Google Fast Pair1Press releasebose.com/pressroom/bose-sport-open-earbuds-and-bose-ultra-open-earbuds-2nd-genRead 13 October 2026Google Fast Pair for quick connections to Android devices.2Owner's manualassets.bosecreative.com/asset/9e8c049a-83c5-4ed1-a12f-401c48bd8124/903705_OG_SPORTOPN26-HEADPHONEOPN_ml.pdfRead 13 October 2026Page 36: connect using Fast Pair on Android devices only.

Not available

Audio sharingiShare one stream with a second pair

Not available

Not available

Wireless range (claimed)

9m2Owner's manualassets.bosecreative.com/asset/9e8c049a-83c5-4ed1-a12f-401c48bd8124/903705_OG_SPORTOPN26-HEADPHONEOPN_ml.pdfRead 13 October 2026Page 33: devices must be within 30 ft or 9 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

Not available

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.

Android, iOS3Maker product pagebose.com/p/earbuds/bose-open-earbuds/SPORTOPN26-HEADPHONEOPN.htmlRead 13 October 2026Pairing FAQ: supported devices include any Bluetooth-enabled phone, tablet or computer. The Bose app is on Google Play and the App Store. Android and iOS are stored. Computer operating systems are not named.

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.

Not available

Not available

Official licence

Not available

Not available

Battery and charging

7 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.

Not available

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.

No2Owner's manualassets.bosecreative.com/asset/9e8c049a-83c5-4ed1-a12f-401c48bd8124/903705_OG_SPORTOPN26-HEADPHONEOPN_ml.pdfRead 13 October 2026Page 3: this product contains non-replaceable batteries. Page 5: do not attempt to remove the rechargeable lithium-ion battery.

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.

ABose Sport Open Earbuds (2026)

Mode	Includes case recharges	Hours (h)
ANC off	No	7
ANC off	Yes	29

Source1Press releasebose.com/pressroom/bose-sport-open-earbuds-and-bose-ultra-open-earbuds-2nd-genRead 13 October 2026Up to seven hours of playback on a single charge and up to 22 additional hours in the wireless charging case.2Owner's manualassets.bosecreative.com/asset/9e8c049a-83c5-4ed1-a12f-401c48bd8124/903705_OG_SPORTOPN26-HEADPHONEOPN_ml.pdfRead 13 October 2026Page 28 and footnotes 3 and 4. Earbuds up to 7 hours and up to an additional 22 hours from the case, so 29 hours in total. Bose May 2026 test with IEC 60268-1 pink noise over A2DP at -75 dBm RSSI, 75 dBA loudness and 3-band EQ at zero, Auto Volume off. With Auto Volume on the earbuds reach up to 3.9 hours and the case adds up to 11.6 hours. Those rows are not stored because the table has no Auto Volume column. Codec not stated.3Maker product pagebose.com/p/earbuds/bose-open-earbuds/SPORTOPN26-HEADPHONEOPN.htmlRead 13 October 2026FAQ: up to 7 hours of playback on a single charge with standard streaming, up to 29 hours total with the charging case. The FAQ also gives 18.6 hours total with Auto Volume, which mixes a 7 hour bud figure with the 11.6 hour case figure. It is not stored.

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.

7h=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.

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

7h=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.

29h=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.

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Talk time (claimed)

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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.

60min2Owner's manualassets.bosecreative.com/asset/9e8c049a-83c5-4ed1-a12f-401c48bd8124/903705_OG_SPORTOPN26-HEADPHONEOPN_ml.pdfRead 13 October 2026Page 28: earbuds up to 1 hour. Footnote 1: depleted earbuds placed in a fully charged case and charged to 100 percent, tested by Bose in May 2026.

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.

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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.

10min2Owner's manualassets.bosecreative.com/asset/9e8c049a-83c5-4ed1-a12f-401c48bd8124/903705_OG_SPORTOPN26-HEADPHONEOPN_ml.pdfRead 13 October 2026Page 28: a 10-minute charge with the case closed powers the earbuds for up to 1.8 hours.3Maker product pagebose.com/p/earbuds/bose-open-earbuds/SPORTOPN26-HEADPHONEOPN.htmlRead 13 October 2026FAQ: a 10-minute charge can provide up to 1.8 hours of additional play time.

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.

1.8h2Owner's manualassets.bosecreative.com/asset/9e8c049a-83c5-4ed1-a12f-401c48bd8124/903705_OG_SPORTOPN26-HEADPHONEOPN_ml.pdfRead 13 October 2026Footnote 1: depleted earbuds in a fully charged case for 10 minutes, then A2DP playback at 75 dBA loudness, 3-band EQ zero, Auto Volume off. Earbuds only.3Maker product pagebose.com/p/earbuds/bose-open-earbuds/SPORTOPN26-HEADPHONEOPN.htmlRead 13 October 2026Same FAQ sentence. Earbuds only, per the owner's guide footnote.

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.

380mAh2Owner's manualassets.bosecreative.com/asset/9e8c049a-83c5-4ed1-a12f-401c48bd8124/903705_OG_SPORTOPN26-HEADPHONEOPN_ml.pdfRead 13 October 2026Regulatory page 6 lists Output Capacity: 380 mAh (charge case) beside the case input rating of 5 V, 1 A and output rating 5 V, 0.08 A x 2 for the earbuds. The label gives no typical or rated qualifier. The case has no USB output, so it is read as the case battery capacity. Not charging input current.

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.

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Case charging port

USB-C2Owner's manualassets.bosecreative.com/asset/9e8c049a-83c5-4ed1-a12f-401c48bd8124/903705_OG_SPORTOPN26-HEADPHONEOPN_ml.pdfRead 13 October 2026Page 25: USB-C port on the side of the charging case. No cable is provided.

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.

180min2Owner's manualassets.bosecreative.com/asset/9e8c049a-83c5-4ed1-a12f-401c48bd8124/903705_OG_SPORTOPN26-HEADPHONEOPN_ml.pdfRead 13 October 2026Page 28: charging case up to 3 hours (wired). Case charging time with earbuds inside varies. Wireless charging time is not stated.

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

Yes1Press releasebose.com/pressroom/bose-sport-open-earbuds-and-bose-ultra-open-earbuds-2nd-genRead 13 October 2026The pocket-ready charging case supports wireless charging.2Owner's manualassets.bosecreative.com/asset/9e8c049a-83c5-4ed1-a12f-401c48bd8124/903705_OG_SPORTOPN26-HEADPHONEOPN_ml.pdfRead 13 October 2026Page 26: a compatible third-party wireless charger (not provided) charges the case. The charging standard is not named.

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.

Qi7Revieweftm.com/2026/10/review-bose-sport-open-earbuds-premium-brand-improved-audio-281876/ampRead 13 October 2026Review says the case offers Qi wireless charging. Bose says a compatible third-party wireless charger and does not name the standard.

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

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

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Screen on case

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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.

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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.

Button2Owner's manualassets.bosecreative.com/asset/9e8c049a-83c5-4ed1-a12f-401c48bd8124/903705_OG_SPORTOPN26-HEADPHONEOPN_ml.pdfRead 13 October 2026Page 17: a button on the top of the barrel of each earbud.

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.

Buttons2Owner's manualassets.bosecreative.com/asset/9e8c049a-83c5-4ed1-a12f-401c48bd8124/903705_OG_SPORTOPN26-HEADPHONEOPN_ml.pdfRead 13 October 2026Page 18: press, then press and hold the right earbud button to raise volume and the left earbud button to lower it.

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, Double-press, Triple-press, Press and hold, Press, then press and hold2Owner's manualassets.bosecreative.com/asset/9e8c049a-83c5-4ed1-a12f-401c48bd8124/903705_OG_SPORTOPN26-HEADPHONEOPN_ml.pdfRead 13 October 2026Pages 17 to 20: press, double-press, triple-press, press and hold, and press then press and hold.

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

Yes2Owner's manualassets.bosecreative.com/asset/9e8c049a-83c5-4ed1-a12f-401c48bd8124/903705_OG_SPORTOPN26-HEADPHONEOPN_ml.pdfRead 13 October 2026Page 21: assign a shortcut to each earbud in the Bose app. Press and hold uses the shortcut.

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's native voice assistant2Owner's manualassets.bosecreative.com/asset/9e8c049a-83c5-4ed1-a12f-401c48bd8124/903705_OG_SPORTOPN26-HEADPHONEOPN_ml.pdfRead 13 October 2026Page 22: a shortcut accesses the device voice control. Spotify Tap is the other shortcut.

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Sensors and health

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In-ear detection

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

Sensors

Voice pickup unit1Press releasebose.com/pressroom/bose-sport-open-earbuds-and-bose-ultra-open-earbuds-2nd-genRead 13 October 2026Release: one dedicated microphone and one voice pickup unit in each earbud.

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Heart rate sensor

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

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Hearing aid featureiAmplification for mild to moderate hearing loss

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Medical clearances

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

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Hearing protectioniLimits sudden loud sounds

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Health features

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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.

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Ear tip materials

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

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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

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Dust and water rating, buds

IP542Owner's manualassets.bosecreative.com/asset/9e8c049a-83c5-4ed1-a12f-401c48bd8124/903705_OG_SPORTOPN26-HEADPHONEOPN_ml.pdfRead 13 October 2026Page 37: the earbuds are rated IP54. The case has no rating and must not be splashed.3Maker product pagebose.com/p/earbuds/bose-open-earbuds/SPORTOPN26-HEADPHONEOPN.htmlRead 13 October 2026

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

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Water resistance depth

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Software

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Companion app

Bose app3Maker product pagebose.com/p/earbuds/bose-open-earbuds/SPORTOPN26-HEADPHONEOPN.htmlRead 13 October 2026

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

App platforms

Android, iOS3Maker product pagebose.com/p/earbuds/bose-open-earbuds/SPORTOPN26-HEADPHONEOPN.htmlRead 13 October 2026

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

Yes2Owner's manualassets.bosecreative.com/asset/9e8c049a-83c5-4ed1-a12f-401c48bd8124/903705_OG_SPORTOPN26-HEADPHONEOPN_ml.pdfRead 13 October 2026Page 39: the earbuds update automatically when connected to the Bose app and an update is available.

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

Finding network

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Precision findingiUWB in the case

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Live translation

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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

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

5.9g(0.2 oz)8Reviewsoundguys.com/i-get-the-appeal-of-the-bose-sport-open-earbuds-just-not-at-199-164148Read 13 October 2026Spec box of the SoundGuys review: Weight 5.9g. No Bose page states grams. The Bose metric pages list 0.01 kg and the Bose US page lists 0.013 lb for one bud, which both agree. A Focus Camera listing shows 5.7 g.

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

Width25Height20Depth27.9mm(1 × 0.8 × 1.1 in)3Maker product pagebose.com/p/earbuds/bose-open-earbuds/SPORTOPN26-HEADPHONEOPN.htmlRead 13 October 2026Maker-labelled one-bud axes: 0.787 in H x 0.983 in W x 1.098 in D. Converted with 25.4 mm/in and rounded to 0.1 mm.

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

47g(1.7 oz)8Reviewsoundguys.com/i-get-the-appeal-of-the-bose-sport-open-earbuds-just-not-at-199-164148Read 13 October 2026Spec box of the SoundGuys review: Case 47g. The Bose metric pages list 0.05 kg and the Bose US page lists 0.104 lb for the case, which both agree. A Focus Camera listing shows 45.4 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.

Width67.9Height48.3Depth29.6mm(2.7 × 1.9 × 1.2 in)3Maker product pagebose.com/p/earbuds/bose-open-earbuds/SPORTOPN26-HEADPHONEOPN.htmlRead 13 October 2026Maker-labelled case axes: 1.902 in H x 2.673 in W x 1.166 in D. Converted with 25.4 mm/in and rounded to 0.1 mm.

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Certifications

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

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Communication certifications

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FCC IDs

A94231L, A94231R2Owner's manualassets.bosecreative.com/asset/9e8c049a-83c5-4ed1-a12f-401c48bd8124/903705_OG_SPORTOPN26-HEADPHONEOPN_ml.pdfRead 13 October 2026Regulatory page 4: FCC ID A94231L / A94231R.

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Other certifications

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In the box

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In the box

2 Bose Sport Open Earbuds, Charging case, Quick start guide, Safety sheet2Owner's manualassets.bosecreative.com/asset/9e8c049a-83c5-4ed1-a12f-401c48bd8124/903705_OG_SPORTOPN26-HEADPHONEOPN_ml.pdfRead 13 October 20263Maker product pagebose.com/p/earbuds/bose-open-earbuds/SPORTOPN26-HEADPHONEOPN.htmlRead 13 October 2026

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

ABose Sport Open Earbuds (2026)

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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

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Product page

www.bose.com/p/earbuds/bose-open-earbuds/SPORTOPN26-HEADPHONEOPN.html3Maker product pagebose.com/p/earbuds/bose-open-earbuds/SPORTOPN26-HEADPHONEOPN.htmlRead 13 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

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Manual

assets.bosecreative.com/asset/9e8c049a-83c5-4ed1-a12f-401c48bd8124/903705_OG_SPORTOPN26-HEADPHONEOPN_ml.pdf2Owner's manualassets.bosecreative.com/asset/9e8c049a-83c5-4ed1-a12f-401c48bd8124/903705_OG_SPORTOPN26-HEADPHONEOPN_ml.pdfRead 13 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.

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Warranty

None of 1 known

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.

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