TV and audio / Earbuds
soundcoreSport earbuds
AeroFit 2
Released October 2024.5Measurementsoundguys.com/anker-soundcore-aerofit-2-review-126119Read 13 October 2026Spec table lists the product release date as October 2024. Last checked 16 October 2026.
- Form factor
- Open-ear
- ANC
- No
- Battery life
- 10h
- With case
- 42h
58 of 166 fields known.
At a glance
Quick charge
4h3Maker product pageankerjapan.com/products/a3874Read 13 October 2026
Higher than 86% of other earbuds.
General
- Series
- AeroFit3Maker product pageankerjapan.com/products/a3874Read 13 October 2026Listed with the Soundcore AeroFit series.
- Model numbers
- 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
- 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.
- Announced
- Not available
- Status
- Available6Spec databasesoundguys.com/product/soundcore-aerofit-2Read 13 October 2026Listed with a current Amazon US price.
- Predecessor
- Not available
- Successor
- Not available
- Launch price (US)
- $99.995Measurementsoundguys.com/anker-soundcore-aerofit-2-review-126119Read 13 October 2026Spec table lists a price of $99.99.7Reviewdigitaltrends.com/home-theater/soundcore-aerofit-2-reviewRead 13 October 2026MSRP $100.
- Launch price (EU)
- Not available
- Markets
- 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.
- Colours
- 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.
Design
- Form factor
- Open-ear1Maker product pageus.soundcore.com/products/a3874-aerofit-2-open-earbudsRead 13 October 2026Open-ear headphones with 4-level adjustable ear hooks.
- Bud shape
- Ear hook1Maker product pageus.soundcore.com/products/a3874-aerofit-2-open-earbudsRead 13 October 2026
- Use one bud alone
- 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
Drivers and sound
- Drivers per bud
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 type
- Dynamic3Maker product pageankerjapan.com/products/a3874Read 13 October 2026Dynamic driver in the comparison table.
- Driver size
- Not available
- Drivers per bud
- 1
- Diaphragm material
- Not available
- Frequency response
- 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.
- Sensitivity
- Not available
- Sensitivity reference
- Not available
- Max sample rate
- Not available
- Max bit depth
- Not available
- Adaptive EQ
- Not available
- Personalised sound
- Not available
- Onboard EQ
- Not available
- EQ presets
- Not available
- Volume limit
- Not available
Spatial audio
- Spatial audio
- 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 tracking
- Not available
Noise cancelling
- Active noise cancelling
- No3Maker product pageankerjapan.com/products/a3874Read 13 October 2026Noise cancelling is not available on the AeroFit 2.
- ANC type
- Not available
- ANC microphones in both earbuds
- Not available
- Adaptive ANC
- Not available
- ANC levels
- Not available
- ANC attenuation (claimed)
- Not available
- Transparency mode
- Not available
- Adjustable transparency
- Not available
- Automatic ANC and transparency blend
- Not available
- Conversation detection
- Not available
- Wind noise reduction
- Not available
Measured
- Frequency response notes (measured)
- 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)
- Not available
- Treble amount (measured)
- Not available
- Deviation from target (measured)
- Not available
- Consistency between fittings (measured)
- Not available
- Harmonic distortion (measured)
- Not available
- Sound leakage (measured)
- Not available
- Noise isolation (measured)
- Not available
- Noise isolation, best (measured)
- Not available
- Passive isolation (measured)
- Not available
- Call quality notes (measured)
- 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)
- Not available
- Mic high-frequency extension (measured)
- Not available
- Mic speech-to-noise ratio (measured)
- Not available
- Latency (measured)
- Not available
- Bluetooth latency, worst (measured)
- Not available
- 2.4 GHz latency, worst (measured)
- Not available
- Latency in game mode (measured)
- Not available
- Battery life (measured)
- Not available
- Longest tested use per charge
- Not available
- Battery life with case (measured)
- Not available
- Full charge time (measured)
- Not available
- Weight per bud (measured)
- Not available
Microphones and calls
- Voice microphones in both earbuds
- 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 earbuds
- Not available
- Bone conduction voice sensor
- Not available
- Mic noise reduction
- AI3Maker product pageankerjapan.com/products/a3874Read 13 October 2026
- Call audio bandwidth
- Not available
- Mic mute control
- Not available
- Sidetone
- Not available
Connectivity
- Chip
- Not available
- Connections
- Bluetooth3Maker product pageankerjapan.com/products/a3874Read 13 October 2026Bluetooth 5.4 only.
- Bluetooth
- 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, 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
- LE Audio
- Not available
- Auracast
- Not available
- Multipoint devices
- 23Maker product pageankerjapan.com/products/a3874Read 13 October 2026Connects to 2 devices at the same time.6Spec databasesoundguys.com/product/soundcore-aerofit-2Read 13 October 2026
- Multipoint with LDAC
- No7Reviewdigitaltrends.com/home-theater/soundcore-aerofit-2-reviewRead 13 October 2026Enabling LDAC gives up multipoint connectivity.
- Paired devices remembered
- Not available
- Automatic switching between own devices
- Not available
- Fast pairing
- Not available
- Audio sharing
- Not available
- Wireless range (claimed)
- Not available
- Wireless receiver
- Not available
- Receiver connector
- Not available
- Simultaneous 2.4 GHz and Bluetooth audio
- Not available
Latency
- Low latency mode
- 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
- Lowest claimed latency
- Not available
Compatibility
We could not find any of these 4 fields. Show them
- Platforms
- Not available
- Connection per platform
- Not available
- Features that need a specific device
- Not available
- Official licence
- Not available
Battery and charging
- Battery per bud
- Not available
- User-replaceable earbud battery
- Not available
- Claimed battery life
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 charge
- 10h
- Playback per charge with ANC (claimed)
- Not available
- Playback per charge without ANC (claimed)
- 10h
- Total with case (claimed)
- 42h
- Total with case and ANC (claimed)
- Not available
- Talk time (claimed)
- Not available
- Full charge time, buds
- 60min4Owner's manuallp.ankerjapan.com/hubfs/aoos/manual/A3874Manual.pdfRead 13 October 2026Earbuds charge within 1 hour. Stored as 60 minutes.
- Charging guidance
- 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 time
- 10min3Maker product pageankerjapan.com/products/a3874Read 13 October 202610 minutes of charging gives up to 4 hours of playback.
- Earbud playback after quick charge
- 4h3Maker product pageankerjapan.com/products/a3874Read 13 October 2026
Charging case
- User-replaceable case battery
- Not available
- Case charging port
- USB-C4Owner's manuallp.ankerjapan.com/hubfs/aoos/manual/A3874Manual.pdfRead 13 October 2026USB-C charging port on the case.
- Case full charge time
- 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
- Yes1Maker product pageus.soundcore.com/products/a3874-aerofit-2-open-earbudsRead 13 October 2026Place the case on a wireless charger to recharge.
- Wireless standards
- Not available
- Wireless charging power
- Not available
- Speaker in case
- Not available
- Screen on case
- Not available
- Case works as audio transmitter
- Not available
Controls
- Earbud volume control
- 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
- 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
- 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
Sensors and health
- In-ear detection
- No6Spec databasesoundguys.com/product/soundcore-aerofit-2Read 13 October 2026Auto pause is listed as No.
- Sensors
- Not available
- Heart rate sensor
- Not available
- Skin temperature sensing
- Not available
- Hearing aid feature
- Not available
- Medical clearances
- Not available
- Hearing test
- Not available
- Hearing protection
- Not available
- Health features
- Not available
Fit and durability
- Ear tips included
- Not available
- Ear tip materials
- Not available
- Stabilisers
- 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
- Dust and water rating, buds
- 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
- Water resistance depth
- Not available
Software
- Companion app
- soundcore4Owner's manuallp.ankerjapan.com/hubfs/aoos/manual/A3874Manual.pdfRead 13 October 2026
- App platforms
- Android, iOS4Owner's manuallp.ankerjapan.com/hubfs/aoos/manual/A3874Manual.pdfRead 13 October 20266Spec databasesoundguys.com/product/soundcore-aerofit-2Read 13 October 2026
- User firmware updates
- Yes4Owner's manuallp.ankerjapan.com/hubfs/aoos/manual/A3874Manual.pdfRead 13 October 2026
- Finding network
- Not available
- Precision finding
- Not available
Dimensions and weight
- Weight per bud
- Not available
- Bud dimensions
- Not available
- Case weight
- 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 dimensions
- Not available
Certifications
We could not find any of these 4 fields. Show them
- Hi-Res Audio
- Not available
- Communication certifications
- Not available
- FCC IDs
- Not available
- Other certifications
- Not available
In the box
- In the box
- 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
Type Count USB-C charging cable 1
Links
- Product page
- us.soundcore.com/products/a3874-aerofit-2-open-earbuds1Maker product pageus.soundcore.com/products/a3874-aerofit-2-open-earbudsRead 13 October 2026
- Spec sheet
- Not available
- Manual
- lp.ankerjapan.com/hubfs/aoos/manual/A3874Manual.pdf4Owner's manuallp.ankerjapan.com/hubfs/aoos/manual/A3874Manual.pdfRead 13 October 2026
- EPREL registration number
- Not available
Warranty
We could not find any of these 1 fields. Show them
- Manufacturer warranty (source market)
- Not available
Compare with
Pick a earbuds to see both side by side. Differences are marked yellow.
Variants
Each variant lists only what differs from the specs above.
| Model number | GTIN | Markets | Colours |
|---|---|---|---|
| A3874Z11 | 194644036393 | US | Midnight Black |
| A3874Z21 | 194644210137 | US | Pearl White |
| A3874Z61 | 194644210144 | US | Minty Green |
| A3874Z31 | 194644210151 | US | Midnight Blue |
| A3874Z81 | 194644262334 | US | Brown |
| A3874G11 | 194644284701 | EU | Black |
| A3874G21 | 194644284992 | EU | Beige |
| A3874G61 | 194644284961 | EU | Minty Green |
| A3874G31 | 194644284985 | EU | Navy Blue |
Sources
We read 8 sources for this earbuds. The numbers match the markers in the sheet.
- Maker product pageus.soundcore.com/products/a3874-aerofit-2-open-earbuds
- Maker product pageeu.soundcore.com/products/a3874-aerofit-2-open-earbuds.js
- Maker product pageankerjapan.com/products/a3874
- Owner's manuallp.ankerjapan.com/hubfs/aoos/manual/A3874Manual.pdf
- Spec databasesoundguys.com/product/soundcore-aerofit-2
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