Earbuds / Compare

Shokz OpenFit 2+ vs soundcore AeroFit 2 Pro

A

Product A: Shokz

OpenFit 2+

65 of 166 known

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B

Product B: soundcore

AeroFit 2 Pro

81 of 166 known

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All 166 fields

Every value links to where we found it.

Only differences

AShokz OpenFit 2+

Bsoundcore AeroFit 2 Pro

General

6 of 8 differ

Series

OpenFit1Maker product pageshokz.com/products/openfit2plusRead 15 October 2026The maker groups the OpenFit 2+ with the OpenFit 2 as the OpenFit 2 Series. The OpenFit line is stored as the series, as for the OpenFit 2.

AeroFit1Maker product pageus.soundcore.com/products/a3875-aerofit-2-pro-open-ear-earbuds-with-ancRead 15 October 2026Listed in the AeroFit line of open-ear earbuds.

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

T921, T921-ST-BK-US, T921-ST-GY-US, T921-ST-PR-US, T921-ST-HX-US, T921BK, T921GY4Maker product pagede.shokz.com/products/openfit2-seriesRead 15 October 2026Spec table row Modellnummer: SHOKZ T921.5Maker product pagede.shokz.com/products/openfit2-series.jsRead 15 October 2026German store product data: SKU T921BK (Schwarz) and T921GY (Grau). Gift box SKUs for both colours are not stored.6Maker product pageshokz.com/products/openfit2plus.jsRead 15 October 2026US store product data: SKUs T921-ST-BK-US, T921-ST-GY-US, T921-ST-PR-US and T921-ST-HX-US (HYROX Co-branded Edition).

A3875, A3875Z11, A3875Z21, A3875ZQ1, A3875Z31, A3875G11, A3875G21, A3875GQ12Maker product pageus.soundcore.com/products/a3875-aerofit-2-pro-open-ear-earbuds-with-anc.jsRead 15 October 2026US store SKUs A3875Z11 Matte Black, A3875Z21 Gloss White, A3875ZQ1 Matte Purple and A3875Z31 Gloss Blue.3Maker product pageeu.soundcore.com/products/a3875-aerofit-2-pro-open-ear-earbuds-with-anc.jsRead 15 October 2026EU store SKUs A3875G11, A3875G21 and A3875GQ1. The EU store has no blue SKU.9Regulatory filingsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000036614/en_US/000036614.pdfRead 15 October 2026EU and UK Declaration of Conformity: product soundcore AeroFit 2 Pro, model A3875.

GTIN / EAN

810173482424, 810173482431, 810173486194, 8101734887236Maker product pageshokz.com/products/openfit2plus.jsRead 15 October 2026US store barcode field: 810173482424 Black, 810173482431 Grey, 810173486194 Purple, 810173488723 HYROX edition.

194644317744, 194644274528, 194644274535, 194644274542, 1946442745112Maker product pageus.soundcore.com/products/a3875-aerofit-2-pro-open-ear-earbuds-with-anc.jsRead 15 October 2026Barcodes in the US store product data: 194644317744, 194644274528, 194644274535 and 194644274542.3Maker product pageeu.soundcore.com/products/a3875-aerofit-2-pro-open-ear-earbuds-with-anc.jsRead 15 October 2026EU black barcode 194644274511. The EU white and purple SKUs list the same barcodes as the US rows.

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

5 June 20259Press articlebasic-tutorials.de/news/shokz-openfit-2-plusRead 15 October 2026Article of 6 June 2025: the OpenFit 2+ is available from 5 June 2025.

6 January 202611Maker product pageus.soundcore.com/blogs/open-ear/aerofit-2-pro-ces-2026-awardRead 15 October 2026Maker blog dated 15 January 2026 about the CES 2026 Innovation Awards honoree. SoundGuys dates the CES announcement to 6 January 2026.14Reviewsoundguys.com/the-soundcore-aerofit-2-pro-are-open-earbuds-that-transform-into-anc-earbuds-150692Read 15 October 2026Article dated 6 January 2026: announced at CES 2026.

Status

Available6Maker product pageshokz.com/products/openfit2plus.jsRead 15 October 2026US store lists Black, Grey and Purple as available on 2026-10-15.

Available1Maker product pageus.soundcore.com/products/a3875-aerofit-2-pro-open-ear-earbuds-with-ancRead 15 October 2026Store product data shows all four colours available. The store page HTML showed a sold-out label when fetched, while the product data feed marked every variant available. The maker blog and reviews say it is on sale.11Maker product pageus.soundcore.com/blogs/open-ear/aerofit-2-pro-ces-2026-awardRead 15 October 2026Blog: available now in Matte Black, Matte Purple and Gloss White.

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.

$199.951Maker product pageshokz.com/products/openfit2plusRead 15 October 2026The US store lists 199.95 USD. SoundGuys confirms the 22 September 2025 launch price.8Press articlesoundguys.com/shokz-openfit-2-debuts-with-dolby-audio-144647Read 15 October 2026SoundGuys news, 22 Sep 2025: the OpenFit 2+ launched at 199.95 USD, 20 USD above the OpenFit 2.12Reviewtechradar.com/health-fitness/fitness-headphones/i-went-for-a-run-with-the-all-new-shokz-openfit-2-and-theyre-already-threatening-to-become-my-go-to-running-headphonesRead 15 October 2026TechRadar review published 4 June 2025 (UTC): the OpenFit 2+ costs 199.95 USD and 179 GBP, available to order now. Official pricing for other regions was still to be confirmed.

$179.991Maker product pageus.soundcore.com/products/a3875-aerofit-2-pro-open-ear-earbuds-with-ancRead 15 October 2026US store price 179.99 USD. Excludes sales tax.11Maker product pageus.soundcore.com/blogs/open-ear/aerofit-2-pro-ces-2026-awardRead 15 October 2026Blog: regular MSRP 179.99 USD. A launch promotion of 149.99 USD through 31 March 2026 is not an MSRP and is not stored.14Reviewsoundguys.com/the-soundcore-aerofit-2-pro-are-open-earbuds-that-transform-into-anc-earbuds-150692Read 15 October 2026Article: 179.99 USD, the same as the AeroFit 2 at launch.15Reviewtechradar.com/audio/earbuds-airpods/anker-soundcore-aerofit-2-pro-reviewRead 15 October 2026Review: 179.99 USD and 179.99 GBP.

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.

€1995Maker product pagede.shokz.com/products/openfit2-series.jsRead 15 October 2026Germany. The store lists 199.00 EUR incl. VAT for both colours. Kopfhoerer.de reports the same recommended price at the June 2025 launch.9Press articlebasic-tutorials.de/news/shokz-openfit-2-plusRead 15 October 2026Germany: 199,00 EUR.10Press articlekopfhoerer.de/news/shokz-openfit-2-plusRead 15 October 2026Recommended retail price 199,00 EUR, black and grey, available from now. Page last updated 5 June 2025.

€179.993Maker product pageeu.soundcore.com/products/a3875-aerofit-2-pro-open-ear-earbuds-with-anc.jsRead 15 October 2026EU store price 179.99 EUR including VAT, no compare-at price. The German review price is the same. The EU store listing is dated April 2026, after the January launch, so the German review gives the launch evidence.16Reviewkopfhoerer.de/test/soundcore-aerofit-2-proRead 15 October 2026German review dated 21 January 2026 gives 179,99 EUR for the AeroFit 2 Pro.

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/openfit2plusRead 15 October 2026US store with US dollar prices. Documented subset.5Maker product pagede.shokz.com/products/openfit2-series.jsRead 15 October 2026German store with euro prices. Documented subset.9Press articlebasic-tutorials.de/news/shokz-openfit-2-plusRead 15 October 2026German market start.

US, EU1Maker product pageus.soundcore.com/products/a3875-aerofit-2-pro-open-ear-earbuds-with-ancRead 15 October 2026US store. The EU store lists the product too.3Maker product pageeu.soundcore.com/products/a3875-aerofit-2-pro-open-ear-earbuds-with-anc.jsRead 15 October 2026EU store product data.

ColoursiThe maker's own colour names

Black, Grey, Purple, HYROX Co-branded Edition1Maker product pageshokz.com/products/openfit2plusRead 15 October 2026Store options: Black, Grey, Purple and HYROX Co-branded Edition. The HYROX edition shows as unavailable on 2026-10-15.6Maker product pageshokz.com/products/openfit2plus.jsRead 15 October 2026Option names: OpenFit 2+ Black, Grey, Purple, HYROX Co-branded Edition.

Matte Black, Gloss White, Matte Purple, Gloss Blue1Maker product pageus.soundcore.com/products/a3875-aerofit-2-pro-open-ear-earbuds-with-ancRead 15 October 2026Colour selector: Matte Black, Gloss White, Matte Purple and Gloss Blue.2Maker product pageus.soundcore.com/products/a3875-aerofit-2-pro-open-ear-earbuds-with-anc.jsRead 15 October 2026Colour option values in the product data.

Segment

Sport1Maker product pageshokz.com/products/openfit2plusRead 15 October 2026The maker lists the OpenFit 2+ under Workout and Lifestyle open earbuds. The FAQ says it suits running, workouts, office work and home.

Sport1Maker product pageus.soundcore.com/products/a3875-aerofit-2-pro-open-ear-earbuds-with-ancRead 15 October 2026Page: use during workouts or the commute. The maker blog calls it suited to jogging and cycling. Stored as sport like the AeroFit 2.

Design

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

Open-ear1Maker product pageshokz.com/products/openfit2plusRead 15 October 2026Open-ear design, air conduction. The maker FAQ says it is not a bone conduction headphone.

Open-ear1Maker product pageus.soundcore.com/products/a3875-aerofit-2-pro-open-ear-earbuds-with-ancRead 15 October 2026Page title and text: 2-in-1 earbuds that switch between open-ear and ANC modes. The product is dual-form. The open-ear form is stored because the store sells it as open-ear earbuds with ANC. In ANC form the maker calls it semi-in-ear.6Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000038533/en_US/000038533.pdfRead 15 October 2026Port double section: two wearing forms, Open-Ear and ANC. In Open-Ear form the earbuds rest on the ears and leave the ear canals clear.11Maker product pageus.soundcore.com/blogs/open-ear/aerofit-2-pro-ces-2026-awardRead 15 October 2026Blog: Open-Ear form keeps the drivers outside the ear canal. ANC form pivots the hooks inward to create a seal and the maker calls it Semi-In-Ear ANC.

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

Ear hook2Maker product pageshokz.com/pages/openfit2plusRead 15 October 2026Flexible ear hook with an integrated nickel-titanium alloy. This is the OpenFit 2 Series page, which covers the OpenFit 2 and the OpenFit 2+.

Ear hook6Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000038533/en_US/000038533.pdfRead 15 October 2026Overview and wearing sections: an ear hook with five levels over the outer ear.

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

Either bud1Maker product pageshokz.com/products/openfit2plusRead 15 October 2026FAQ: both earbuds can be used independently and each keeps its button functions.7Owner's manualcdn.shopify.com/s/files/1/0620/0642/7873/files/OPENFIT_2_User_Guide.pdfRead 15 October 2026Single Earbud Control page: both earbuds are designed for independent use, mono playback or calls.

Either bud5Maker product pageservice.soundcore.com/article-description/soundcore-AeroFit-2-Pro-FAQRead 15 October 2026FAQ 26: single-ear use is supported. Dual-ear pairing, reset and custom EQ cannot be used with one earbud.6Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000038533/en_US/000038533.pdfRead 15 October 2026Controls and power sections: hold one earbud button for 3 seconds to power on a single earbud.

RGB lighting

Not available

Not available

Drivers and sound

10 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/openfit2plusRead 15 October 2026DualBoost: an independent high-frequency unit and a 21 mm x 11 mm custom dynamic low-frequency driver. The maker gives 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.

Bsoundcore AeroFit 2 Pro

Type	Diameter (mm)	Count per earbud
Dynamic	11.8	1

Source1Maker product pageus.soundcore.com/products/a3875-aerofit-2-pro-open-ear-earbuds-with-ancRead 15 October 2026Page text: 11.8 mm composite drivers. The type and count come from the Anker Japan page and TechRadar.6Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000038533/en_US/000038533.pdfRead 15 October 2026Specifications: speaker 11.8 mm.10Maker product pageankerjapan.com/products/a3875Read 15 October 2026Page: 11.8 mm dynamic driver with an LCP diaphragm.15Reviewtechradar.com/audio/earbuds-airpods/anker-soundcore-aerofit-2-pro-reviewRead 15 October 2026Review: a custom-built 11.8 mm driver in each earbud. The review spec table also says 11.8 mm and one passage says 10.8 mm, which is read as a typo.

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

Not available

Dynamic10Maker product pageankerjapan.com/products/a3875Read 15 October 2026Page: 11.8 mm dynamic driver.

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

Not available

11.8mm=CalculatedFrom Drivers per bud

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/openfit2plusRead 15 October 2026DualBoost section: custom composite diaphragm with a high-performance polymer surround and a PEN dome-shaped inner cap, for the OpenFit 2 Series.

LCP10Maker product pageankerjapan.com/products/a3875Read 15 October 2026Page: LCP coated diaphragm.

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

Min50 HzMax16 kHz3Maker product pageshokz.com/pages/openfit2-compare-specRead 15 October 2026Compare table row Speaker Frequency Response, OpenFit 2+ column: 50 Hz - 16 kHz. Maker figure. Codec and conditions are not stated.

Min20 HzMax40 kHz6Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000038533/en_US/000038533.pdfRead 15 October 2026Specifications: 20 Hz to 20 kHz, and 40 kHz with LDAC enabled. The upper limit is stored with LDAC.

Impedance

Not available

16Ω6Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000038533/en_US/000038533.pdfRead 15 October 2026Specifications: 16 ohm.

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

Yes6Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000038533/en_US/000038533.pdfRead 15 October 2026Hear ID section: a short in-app test of preferred music styles and sound types builds a profile. It is a preference test, not a hearing test.

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.

511Reviewsoundguys.com/shokz-openfit-2-review-worth-the-20-upgrade-150051Read 15 October 2026Review (firmware EU_V_3, Shokz app 5.6.5): the custom 5-band equalizer targets 64 Hz, 100 Hz, 1 kHz, 4 kHz and 8 kHz.

86Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000038533/en_US/000038533.pdfRead 15 October 2026EQ section: eight sliders in the custom equalizer. The guide also lists 22 EQ presets, which are not named, so no preset list is stored.

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

Standard, Vocal, Bass Boost, Treble Boost2Maker product pageshokz.com/pages/openfit2plusRead 15 October 2026The Shokz App lets you customize your sound with 4 pre-set EQ modes (Standard, Vocal, Bass Boost, Treble Boost) or create your own with 2 custom EQs.

Not available

Volume limit

Not available

Not available

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.

Dolby Audio2Maker product pageshokz.com/pages/openfit2plusRead 15 October 2026Dolby Audio is a toggle in the Shokz App for the OpenFit 2+ only. The maker describes a rich, expansive soundstage. The user guide says immersive surround sound. SoundGuys found no genuine spatial positioning. No head tracking is claimed.

Spatial Audio6Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000038533/en_US/000038533.pdfRead 15 October 2026Spatial audio section: Head Tracking with Music and Movie modes, or Fixed spatial sound.11Maker product pageus.soundcore.com/blogs/open-ear/aerofit-2-pro-ces-2026-awardRead 15 October 2026Blog: spatial audio with head tracking.

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

Yes1Maker product pageus.soundcore.com/products/a3875-aerofit-2-pro-open-ear-earbuds-with-ancRead 15 October 2026Page text: dynamic head tracking moves the sound around you.6Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000038533/en_US/000038533.pdfRead 15 October 2026Spatial audio section: surround sound that follows head movement.11Maker product pageus.soundcore.com/blogs/open-ear/aerofit-2-pro-ces-2026-awardRead 15 October 2026Blog: spatial audio with head tracking.

Noise cancelling

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Active noise cancelling

Not available

Yes6Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000038533/en_US/000038533.pdfRead 15 October 2026ANC section: ANC and Normal modes in the soundcore app, or hold an earbud for 2 seconds. It works only when both earbuds are in ANC form.

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

613Maker product pagede.soundcore.com/blogs/earbuds/soundcore-aerofit-2-pro-vs-powerbeats-pro-2Read 15 October 2026German maker blog: a precise acoustic system with six ambient noise sensors. SoundGuys calls it a six-microphone array. The split between earbuds is not stated.14Reviewsoundguys.com/the-soundcore-aerofit-2-pro-are-open-earbuds-that-transform-into-anc-earbuds-150692Read 15 October 2026Article: in sealed earbud mode a six-microphone array with Adaptive ANC 3.0.

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

Not available

Yes6Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000038533/en_US/000038533.pdfRead 15 October 2026ANC section: the app ANC mode adapts to your ears and your environment. Tips text: adaptive noise cancellation turns on in ANC form.12Maker product pageus.soundcore.com/blogs/open-ear/aerofit-2-vs-aerofit-2-proRead 15 October 2026Blog: adaptive ANC using four integrated microphones and AI algorithms.14Reviewsoundguys.com/the-soundcore-aerofit-2-pro-are-open-earbuds-that-transform-into-anc-earbuds-150692Read 15 October 2026Article: Adaptive ANC 3.0 adjusts noise canceling up to 180 times per second.

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

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

SoundGuys: sub-bass below 100 Hz is significantly weak. Upper mids and treble stay 3 to 5 dB below the SoundGuys preference curve, with no harsh sibilance. Firmware EU_V_3, Shokz app 5.6.5.11Reviewsoundguys.com/shokz-openfit-2-review-worth-the-20-upgrade-150051Read 15 October 2026Objective Measurements section: SoundGuys lab frequency response against its preference curve. Unit provided by Shokz, firmware EU_V_3, app 5.6.5. The EQ and Dolby Audio state is not stated.

Not available

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

SoundGuys recorded call demos in ideal, office, street, windy and reverberant conditions. Office and street noise is filtered out almost completely. In wind the AI processing sometimes cuts parts of words. No numeric result is published.11Reviewsoundguys.com/shokz-openfit-2-review-worth-the-20-upgrade-150051Read 15 October 2026Call clarity section with recorded demos in five conditions. Qualitative. No numeric measurement is published.

Not available

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

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/openfit2plusRead 15 October 2026Two microphones in each earbud for calls. The user guide says the microphones are exclusively for voice calls.

41Maker product pageus.soundcore.com/products/a3875-aerofit-2-pro-open-ear-earbuds-with-ancRead 15 October 2026Page text: 4 mics with AI-boosted call technology. The split between earbuds is not stated.12Maker product pageus.soundcore.com/blogs/open-ear/aerofit-2-vs-aerofit-2-proRead 15 October 2026Blog: four integrated microphones with AI algorithms for adaptive ANC. The German blog says four microphones for calls.13Maker product pagede.soundcore.com/blogs/earbuds/soundcore-aerofit-2-pro-vs-powerbeats-pro-2Read 15 October 2026German maker blog: four microphones with AI noise reduction for calls.

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/openfit2plusRead 15 October 2026Two microphones in each earbud, four across the pair. Shokz German page says four microphones.

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/openfit2plusRead 15 October 2026Maker heading: AI-Powered, Crystal-Clear Calls, with two microphones in each earbud.

AI1Maker product pageus.soundcore.com/products/a3875-aerofit-2-pro-open-ear-earbuds-with-ancRead 15 October 2026Page text: AI-boosted call technology.

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/openfit2plusRead 15 October 2026Bluetooth only. No other connection is listed.

Bluetooth6Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000038533/en_US/000038533.pdfRead 15 October 2026Power on and pairing section and specifications: Bluetooth 6.1 only.

Bluetooth

5.43Maker product pageshokz.com/pages/openfit2-compare-specRead 15 October 2026Compare table row Bluetooth Versions: V5.4.

6.14Maker product pageservice.soundcore.com/product-description/a08e2000006OrpTAASRead 15 October 2026Spec list: Bluetooth version 6.1.5Maker product pageservice.soundcore.com/article-description/soundcore-AeroFit-2-Pro-FAQRead 15 October 2026FAQ 1: Bluetooth 6.1.6Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000038533/en_US/000038533.pdfRead 15 October 2026Specifications: Bluetooth 6.1.11Maker product pageus.soundcore.com/blogs/open-ear/aerofit-2-pro-ces-2026-awardRead 15 October 2026Blog: Bluetooth 6.1 with multipoint.

Bluetooth codecs

SBC, AAC3Maker product pageshokz.com/pages/openfit2-compare-specRead 15 October 2026Compare table row Compatible Codecs: SBC, AAC.

SBC, AAC, LDAC4Maker product pageservice.soundcore.com/product-description/a08e2000006OrpTAASRead 15 October 2026Spec list: supported Bluetooth codecs LDAC, SBC, AAC.5Maker product pageservice.soundcore.com/article-description/soundcore-AeroFit-2-Pro-FAQRead 15 October 2026FAQ 2: SBC, AAC and LDAC.16Reviewkopfhoerer.de/test/soundcore-aerofit-2-proRead 15 October 2026Review: SBC and AAC plus LDAC as the Hi-Res codec.

Bluetooth profiles

A2DP, AVRCP, HFP3Maker product pageshokz.com/pages/openfit2-compare-specRead 15 October 2026Compare table row Compatible Profiles: A2DP, AVRCP, HFP.

Not available

LE Audio

Not available

Not available

Auracast

Not available

Not available

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

Yes1Maker product pageshokz.com/products/openfit2plusRead 15 October 2026Easy MultiPoint pairing to two devices at once.

Yes5Maker product pageservice.soundcore.com/article-description/soundcore-AeroFit-2-Pro-FAQRead 15 October 2026FAQ 21: Dual Connections connect two devices.6Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000038533/en_US/000038533.pdfRead 15 October 2026Dual connection section: connect two Bluetooth devices at the same time. Dual connections are on by default.11Maker product pageus.soundcore.com/blogs/open-ear/aerofit-2-pro-ces-2026-awardRead 15 October 2026Blog: Bluetooth 6.1 with multipoint connection.

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

21Maker product pageshokz.com/products/openfit2plusRead 15 October 2026

25Maker product pageservice.soundcore.com/article-description/soundcore-AeroFit-2-Pro-FAQRead 15 October 2026FAQ 21 and 22: two devices at once. A third device needs one removed first.12Maker product pageus.soundcore.com/blogs/open-ear/aerofit-2-vs-aerofit-2-proRead 15 October 2026Blog: connect to two devices simultaneously.16Reviewkopfhoerer.de/test/soundcore-aerofit-2-proRead 15 October 2026Review: up to two sources at the same time.

Multipoint with LDACiMany buds turn multipoint off on LDAC

Not available

Not available

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

Not available

85Maker product pageservice.soundcore.com/article-description/soundcore-AeroFit-2-Pro-FAQRead 15 October 2026FAQ 12: up to 8 Bluetooth devices remembered.

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)

10m3Maker product pageshokz.com/pages/openfit2-compare-specRead 15 October 2026Compare table row Wireless Range: 33 ft (10 m).

10m5Maker product pageservice.soundcore.com/article-description/soundcore-AeroFit-2-Pro-FAQRead 15 October 2026FAQ 18: 33 ft or 10 m.

Wireless receiveri2.4 GHz dongle

Not available

Not available

Receiver connector

Not available

Not available

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

Not available

Not available

Latency

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Low latency mode

Not available

Yes15Reviewtechradar.com/audio/earbuds-airpods/anker-soundcore-aerofit-2-pro-reviewRead 15 October 2026Review: the app brings a low-latency mode and a spatial audio mode.16Reviewkopfhoerer.de/test/soundcore-aerofit-2-proRead 15 October 2026Review: the app has a gaming mode that reduces latency.

Claimed latency

AShokz OpenFit 2+

Not available

Bsoundcore AeroFit 2 Pro

Connection	Latency (ms)
Bluetooth	200

Source5Maker product pageservice.soundcore.com/article-description/soundcore-AeroFit-2-Pro-FAQRead 15 October 2026FAQ 31: about 200 ms. The connection is Bluetooth. No mode is stated.

Lowest claimed latency

Not available

200ms=CalculatedFrom Claimed latency

Compatibility

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

Not available

Android, iOS6Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000038533/en_US/000038533.pdfRead 15 October 2026Pairing and volume sections give Android and iOS steps, and the LDAC section names Android 8.0 or later. FAQ 7 names the App Store. A support article about a MacBook exists, but its text could not be read, so macOS is not stored.

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
Dolby Audio	Turned on or off with a toggle in the Shokz App while the earbuds are connected to a phone. The maker says it shortens earbud battery life by about 2 hours.
Touch control for the voice assistant	The touch area only starts the device 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.
Wireless charging	Any Qi-certified wireless charger. No wireless charger is in the box.
Battery test	Shokz Lab at 25 +/- 2 C, SBC audio at 50 percent volume, other features at default.

Source1Maker product pageshokz.com/products/openfit2plusRead 15 October 2026FAQ for Dolby Audio, the voice assistant touch area and Qi charging. The Battery test entry is from the page footnote.

Bsoundcore AeroFit 2 Pro

Feature	Needs
LDAC	Android 8.0 or later. Turn it on in the soundcore app under Settings, Sound Mode, Preferred audio quality. It shortens playback time.
Active noise cancelling	Works only when both earbuds are in ANC form. It cannot be turned on in Open-Ear form. Automatic switching is on by default and Smart Toggle in the app turns it off.
Hear ID	Set up in the soundcore app under Sound Effects, EQ, Preference. The Open-Ear form does not support the Hear ID test, so keep the earbuds in ANC form.
AI translation	The phone must be connected to the soundcore app, version 3.8.7 or higher, and Dual Connections must be turned off.
Anka AI assistant	Latest soundcore app with the earbuds connected to the app. The assistant cannot open or control other apps.

Source5Maker product pageservice.soundcore.com/article-description/soundcore-AeroFit-2-Pro-FAQRead 15 October 2026FAQ 7: the AI translation feature needs soundcore app version 3.8.7 or higher.6Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000038533/en_US/000038533.pdfRead 15 October 2026ANC, Hear ID, AI assistant, AI translation and LDAC sections.

Official licence

Not available

Not available

Battery and charging

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

56mAh3Maker product pageshokz.com/pages/openfit2-compare-specRead 15 October 2026Compare table row Battery Capacity: earbuds 56 mAh (Min). The maker table does not say whether this is one earbud or the pair. A retailer datasheet (Bechtle, 3 Dec 2025) lists 28 mAh for each earpiece, which would total 56. 56 mAh per earbud is stored as the minimum capacity, as for the OpenFit 2.

60mAh5Maker product pageservice.soundcore.com/article-description/soundcore-AeroFit-2-Pro-FAQRead 15 October 2026FAQ 3: 60 mAh for each earbud. Typical or rated basis is not stated. The safety sheet gives a nominal battery voltage of 3.85 V. A German comparison page lists a different figure for the earbuds, so the FAQ is used.

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

No8Maker spec sheet (PDF)lp.ankerjapan.com/hubfs/aoos/manual/A3875Safety.pdfRead 15 October 2026Safety sheet: the product contains non-replaceable lithium ion batteries, nominal 3.85 V, and the user should not replace them.

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/openfit2plusRead 15 October 2026Up to 11 hours on a single charge and up to 48 hours with the charging case, from the Shokz Lab test with SBC audio at 50 percent volume at 25 +/- 2 C, other features at default. Call rows are from the German spec table. The FAQ says Dolby Audio on cuts earbud battery life by about 2 hours.4Maker product pagede.shokz.com/products/openfit2-seriesRead 15 October 2026Spec table: up to 11 hours of playback on one charge and 48 hours with the case. Up to 8 hours of talk time on one charge and 36 hours with the case. The footnote names the Shokz Laboratory test at 25 +/- 2 C, 50 percent volume, other features at default, SBC for playback.

Bsoundcore AeroFit 2 Pro

Mode	Codec	Includes case recharges	Hours (h)
ANC off	Not available	No	7
ANC off	Not available	Yes	34
ANC on	Not available	No	5
ANC on	Not available	Yes	24
ANC on	LDAC	No	3
Call	Not available	No	4
Call	Not available	Yes	20

Source5Maker product pageservice.soundcore.com/article-description/soundcore-AeroFit-2-Pro-FAQRead 15 October 2026FAQ 9, 10 and 11, with music at 50 percent volume and calls at 60 percent volume. Open-Ear form 7 hours and 34 hours with the case. ANC form 5 hours and 24 hours with the case. With LDAC the ANC form gives about 3 hours. The FAQ also gives 6 hours with LDAC in the Open-Ear form, but the CES blog says LDAC cuts about 3 hours in that form, so that row is not stored. Calls are about 4 hours in both forms. Open-Ear form is stored as ANC off because ANC cannot be turned on there. ANC form is stored as ANC on.10Maker product pageankerjapan.com/products/a3875Read 15 October 2026FAQ on the page: ANC off 7 hours and 34 hours with the case in Open-Ear form, 5 hours and 24 hours in ANC form, calls about 4 hours.11Maker product pageus.soundcore.com/blogs/open-ear/aerofit-2-pro-ces-2026-awardRead 15 October 2026Blog footnote, internal lab testing: Open-Ear form 7 hours and 34 hours with the case, ANC form 5 hours and 24 hours with the case. Calls up to 4 hours in Open-Ear form with 20 hours with the case. In ANC form calls are up to 4 hours with ANC on and 5 hours with ANC off, about 20 and 25 hours with the case. The call mode cannot split ANC on and off, so the 4 and 20 hour rows are stored. LDAC cuts about 3 hours in Open-Ear form and 2 hours in ANC form.

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

7h=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

5h=CalculatedFrom Claimed battery life

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

7h=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

34h=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

24h=CalculatedFrom Claimed battery life

Talk time (claimed)

8h=CalculatedFrom Claimed battery life

4h=CalculatedFrom Claimed battery life

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/openfit2plusRead 15 October 2026Compare table: charge the earbuds with the charging case, 60 minutes.4Maker product pagede.shokz.com/products/openfit2-seriesRead 15 October 2026Spec table row Ladezeit: charge the earbuds with the case, 60 minutes.

60min5Maker product pageservice.soundcore.com/article-description/soundcore-AeroFit-2-Pro-FAQRead 15 October 2026FAQ 3: a full earbud charge takes about 1 hour. The French and Japanese spec tables agree.6Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000038533/en_US/000038533.pdfRead 15 October 2026Specifications table: earbuds 1 hour.

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.

Wired case charging: earbuds in the case take 60 minutes and an empty case takes 100 minutes with the USB-C cable. On a Qi charger an empty case takes about 180 minutes, tested at 25 C with 2 W charging power. The case takes 5 V plus or minus 5 percent over USB-C and the guide advises against high-voltage power sources.4Maker product pagede.shokz.com/products/openfit2-seriesRead 15 October 2026Spec table: case on a wireless charger only, about 180 minutes. Footnote: tested at 25 C with 2 W charging power, three hours. Row Ladespannung: 5 V plus or minus 5 percent.

The maker documents disagree on the charging times that include the case. The French guide gives 1.7 hours for the case and earbuds by cable and 2.6 hours wirelessly. The Japanese guide gives about 2 hours by cable and about 3 hours wirelessly in its text and 3.5 hours wirelessly in its spec table. The FAQ gives about 2 hours for the case and about 4 hours wirelessly. The case input is 5 V 0.8 A. The FAQ says a fully charged case recharges the earbuds 3 times.5Maker product pageservice.soundcore.com/article-description/soundcore-AeroFit-2-Pro-FAQRead 15 October 2026FAQ 4, 14 and 8.6Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000038533/en_US/000038533.pdfRead 15 October 2026Charging section and specifications: case wired 0.7 hour, case and earbuds 1.7 hours wired and 2.6 hours wireless. Input 5 V 0.8 A.7Owner's manuallp.ankerjapan.com/hubfs/aoos/manual/A3875Manual.pdfRead 15 October 2026Japanese guide: case full charge about 2 hours by cable and about 3 hours wirelessly in the text. Its spec table gives earbuds and case about 2 hours by cable and about 3.5 hours wirelessly.

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/openfit2plusRead 15 October 2026A quick 10-minute charge delivers 2 hours of playtime.

10min5Maker product pageservice.soundcore.com/article-description/soundcore-AeroFit-2-Pro-FAQRead 15 October 2026FAQ 16: a 10 minute recharge gives up to 3.5 hours of playback. The charging case does not support this feature.11Maker product pageus.soundcore.com/blogs/open-ear/aerofit-2-pro-ces-2026-awardRead 15 October 2026Blog: 10 minutes of charging provides up to 3.5 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/openfit2plusRead 15 October 2026Earbud playtime after 10 minutes in the case. The German footnote says AAC audio at 50 percent volume. The case must show the green light state.4Maker product pagede.shokz.com/products/openfit2-seriesRead 15 October 2026Spec table row Schnellladefunktion: a 10-minute quick charge with the case gives 2 hours of playback. Footnote: 120 minutes of AAC audio at 50 percent volume.

3.5h5Maker product pageservice.soundcore.com/article-description/soundcore-AeroFit-2-Pro-FAQRead 15 October 2026FAQ 16: up to 3.5 hours of playback after 10 minutes. This is earbud playback. Form, volume and ANC are not stated.11Maker product pageus.soundcore.com/blogs/open-ear/aerofit-2-pro-ces-2026-awardRead 15 October 2026Blog: up to 3.5 hours of playback after 10 minutes of charging.

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.

600mAh3Maker product pageshokz.com/pages/openfit2-compare-specRead 15 October 2026Compare table row Battery Capacity: charging case 600 mAh (Min).

750mAh5Maker product pageservice.soundcore.com/article-description/soundcore-AeroFit-2-Pro-FAQRead 15 October 2026FAQ 4: 750 mAh for the charging case. The user guides list 750 mAh in the spec table without naming the part.

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

No8Maker spec sheet (PDF)lp.ankerjapan.com/hubfs/aoos/manual/A3875Safety.pdfRead 15 October 2026Same sentence covers the product, including the charging case.

Case charging port

USB-C1Maker product pageshokz.com/products/openfit2plusRead 15 October 2026The package holds a Type-C charging cable. The compare table lists the charging case with USB-C and Qi wireless charging.

USB-C6Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000038533/en_US/000038533.pdfRead 15 October 2026Overview: USB-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/openfit2plusRead 15 October 2026Compare table: empty case with charging cable, 100 minutes.4Maker product pagede.shokz.com/products/openfit2-seriesRead 15 October 2026Spec table row Ladezeit: empty case with charging cable, 100 minutes.

Not available

Wireless charging

Yes1Maker product pageshokz.com/products/openfit2plusRead 15 October 2026With Qi wireless charging you just place it down and power up. The package has no wireless charger.

Yes5Maker product pageservice.soundcore.com/article-description/soundcore-AeroFit-2-Pro-FAQRead 15 October 2026FAQ 6 and 13: the charging case supports wireless charging.6Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000038533/en_US/000038533.pdfRead 15 October 2026Charging section: place the case on a wireless charger for wireless charging.11Maker product pageus.soundcore.com/blogs/open-ear/aerofit-2-pro-ces-2026-awardRead 15 October 2026Blog: wireless charging supported.15Reviewtechradar.com/audio/earbuds-airpods/anker-soundcore-aerofit-2-pro-reviewRead 15 October 2026Review: the case facilitates wireless charging.

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

Qi1Maker product pageshokz.com/products/openfit2plusRead 15 October 2026FAQ: any wireless charger that supports the Qi standard is compatible.7Owner's manualcdn.shopify.com/s/files/1/0620/0642/7873/files/OPENFIT_2_User_Guide.pdfRead 15 October 2026Wireless Charging page: the charging case supports Qi-certified wireless charging.

Qi5Maker product pageservice.soundcore.com/article-description/soundcore-AeroFit-2-Pro-FAQRead 15 October 2026FAQ 6: wireless charging supports the Qi protocol. The FAQ also gives a maximum power output of 3 W. That figure is not stored because the safety sheet gives a different 0.005 to 5 W charger range and the field counts case input only.

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.

Button, Touch1Maker product pageshokz.com/products/openfit2plusRead 15 October 2026Physical multifunction buttons plus touch controls. Maker FAQ: physical buttons and touch controls. The touch area for the voice assistant is off by default.

Button6Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000038533/en_US/000038533.pdfRead 15 October 2026Overview lists an earbud button. Controls table uses presses and holds.15Reviewtechradar.com/audio/earbuds-airpods/anker-soundcore-aerofit-2-pro-reviewRead 15 October 2026Review: each earbud has a physical button with a click, not a touch area.16Reviewkopfhoerer.de/test/soundcore-aerofit-2-proRead 15 October 2026Review: controlled through an integrated button on the back of each earbud.

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

Buttons7Owner's manualcdn.shopify.com/s/files/1/0620/0642/7873/files/OPENFIT_2_User_Guide.pdfRead 15 October 2026Volume control page: press and hold the left button for volume down and the right button for volume up.

Buttons6Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000038533/en_US/000038533.pdfRead 15 October 2026Controls table: one press on the right earbud raises volume and one press on the left lowers it.

Gestures

Click either button: play or pause, answer a call, end a call, Double-click either button: next track, reject a call, Triple-click either button: previous track, Press and hold left button: volume down one level, Press and hold right button: volume up one level7Owner's manualcdn.shopify.com/s/files/1/0620/0642/7873/files/OPENFIT_2_User_Guide.pdfRead 15 October 2026Music, call and volume control pages: click, double-click and triple-click either physical button. Press and hold the left or right button for volume. Press and hold an earbud to change volume continuously.

Press twice (left or right): play or pause, Press once (right): volume up, Press once (left): volume down, Press once (left or right): answer a call, Hold for 2 seconds (left or right): reject an incoming call or end a call, Hold for 2 seconds (left or right): turn ANC on or off, Hold for 3 seconds (left and right): power off, Hold for 3 seconds on one earbud: power on that earbud6Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000038533/en_US/000038533.pdfRead 15 October 2026Controls table with default button settings. L is left and R is right.

Remappable controls

Yes1Maker product pageshokz.com/products/openfit2plusRead 15 October 2026FAQ: users can customize button functions in the Shokz App.

Yes6Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000038533/en_US/000038533.pdfRead 15 October 2026Controls section: touch and button controls can be customised in the app for volume, skip track, play or pause, and the voice assistant.

Voice assistant

Not available

Anka6Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000038533/en_US/000038533.pdfRead 15 October 2026Smart assistant section: Anka, started by saying Hey Anka.

Sensors and health

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In-ear detection

Not available

No5Maker product pageservice.soundcore.com/article-description/soundcore-AeroFit-2-Pro-FAQRead 15 October 2026FAQ 15: the AeroFit 2 Pro does not feature wearing detection.

Sensors

Not available

Sensors that detect Open-Ear or ANC form6Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000038533/en_US/000038533.pdfRead 15 October 2026Wearing section: built-in sensors detect which form is in use from whether the earbuds cover the ear canals. SoundGuys says two sensors in each earbud.14Reviewsoundguys.com/the-soundcore-aerofit-2-pro-are-open-earbuds-that-transform-into-anc-earbuds-150692Read 15 October 2026Article: two sensors in each earbud detect Open-Ear or sealed mode and recalibrate the EQ.

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

0 of 7 differ

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

Not available

Not available

Ear tip materials

Not available

Not available

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

Ear hook2Maker product pageshokz.com/pages/openfit2plusRead 15 October 2026Flexible ear hook with an integrated nickel-titanium alloy.

Ear hook6Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000038533/en_US/000038533.pdfRead 15 October 2026Wearing sections: an ear hook that slides between five levels.

Ear tip fit test

Not available

Not available

Dust and water rating, buds

IP551Maker product pageshokz.com/products/openfit2plusRead 15 October 2026IP55 for the earbuds. The charging case is not rated waterproof.

IP554Maker product pageservice.soundcore.com/product-description/a08e2000006OrpTAASRead 15 October 2026Spec list: waterproof rating for the earbuds IP55.5Maker product pageservice.soundcore.com/article-description/soundcore-AeroFit-2-Pro-FAQRead 15 October 2026FAQ 5: earbuds IP55. The charging case is not water resistant, so no case rating is stored.6Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000038533/en_US/000038533.pdfRead 15 October 2026Specifications: IP55.11Maker product pageus.soundcore.com/blogs/open-ear/aerofit-2-pro-ces-2026-awardRead 15 October 2026Blog: rated IP55 for water and dust resistance.

Dust and water rating, case

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Water resistance depth

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Software

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Companion app

Shokz App1Maker product pageshokz.com/products/openfit2plusRead 15 October 2026Shokz App for EQ, MultiPoint, Dolby Audio, button settings, Find My Earbuds and firmware updates.

soundcore6Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000038533/en_US/000038533.pdfRead 15 October 2026ANC, Hear ID and EQ sections refer to the soundcore app.

App platforms

Android, iOS7Owner's manualcdn.shopify.com/s/files/1/0620/0642/7873/files/OPENFIT_2_User_Guide.pdfRead 15 October 2026The guide shows the App Store and Google Play download for the Shokz App.

Android, iOS6Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000038533/en_US/000038533.pdfRead 15 October 2026Smart assistant section: Android users adjust system settings so the app runs in the background. FAQ 7 names the App Store for iOS.

User firmware updates

Yes1Maker product pageshokz.com/products/openfit2plusRead 15 October 2026FAQ: the Shokz App keeps track of firmware updates.7Owner's manualcdn.shopify.com/s/files/1/0620/0642/7873/files/OPENFIT_2_User_Guide.pdfRead 15 October 2026MultiPoint page: update the earbud firmware in the Shokz App.

Yes6Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000038533/en_US/000038533.pdfRead 15 October 2026Firmware update section: the app announces new firmware and updates the earbuds.

Finding network

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Precision findingiUWB in the case

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Live translation

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Yes6Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000038533/en_US/000038533.pdfRead 15 October 2026AI translation section: real-time and face-to-face translation in 100 languages.

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.

9.4g(0.3 oz)1Maker product pageshokz.com/products/openfit2plusRead 15 October 2026Compare table: earbuds 9.4 g plus or minus 0.2 g.

10.5g(0.4 oz)10Maker product pageankerjapan.com/products/a3875Read 15 October 2026Spec table: about 10.5 g per earbud and about 109 g for the charging case with the earbuds. TechRadar gives 10.4 g in its preview and 11 g in its review. The case-only weight is not stated by the maker, so it is not stored.

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

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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.

56g(2 oz)1Maker product pageshokz.com/products/openfit2plusRead 15 October 2026Compare table: charging case 56 g plus or minus 2.0 g.

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

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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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Hi-Res Audio Wireless11Maker product pageus.soundcore.com/blogs/open-ear/aerofit-2-pro-ces-2026-awardRead 15 October 2026Blog: Hi-Res Audio certified with LDAC support on Android. The blog does not name the wireless logo. TechRadar names Hi-Res Audio Wireless, which is stored.15Reviewtechradar.com/audio/earbuds-airpods/anker-soundcore-aerofit-2-pro-reviewRead 15 October 2026Review: Hi-Res Audio Wireless certification and LDAC support.

Communication certifications

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FCC IDs

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Other certifications

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CE, UKCA9Regulatory filingsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000036614/en_US/000036614.pdfRead 15 October 2026Declaration lists Directive 2014/53/EU for the EU and UK. CE and UKCA marks follow from the declaration.

In the box

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In the box

OpenFit 2+ earbuds, Charging case, USB-C to USB-C charging cable, User guide, Legal statement, Warranty card1Maker product pageshokz.com/products/openfit2plusRead 15 October 2026What is in the box: earbuds, type C charging cable, charging case, user guide, legal statement, warranty card.

Earbuds, Charging case, USB-C and USB-A cable, Quick start guide10Maker product pageankerjapan.com/products/a3875Read 15 October 2026Spec table package list for Japan: the unit, charging case, USB-C and USB-A cable and quick start guide. The Japan model numbers A3875N11, N21, N31 and NQ1 are not stored.

Cables included

AShokz OpenFit 2+

Type	Count
USB-C to USB-C charging cable	1

Source1Maker product pageshokz.com/products/openfit2plusRead 15 October 2026Type C charging cable x1. The guide names it a USB-C to USB-C cable. No length is published.

Bsoundcore AeroFit 2 Pro

Type
USB-C and USB-A cable

Source10Maker product pageankerjapan.com/products/a3875Read 15 October 2026Package list: one USB-C and USB-A cable. The length is not stated.

Links

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Product page

shokz.com/products/openfit2plus1Maker product pageshokz.com/products/openfit2plusRead 15 October 2026

us.soundcore.com/products/a3875-aerofit-2-pro-open-ear-earbuds-with-anc1Maker product pageus.soundcore.com/products/a3875-aerofit-2-pro-open-ear-earbuds-with-ancRead 15 October 2026

Spec sheet

de.shokz.com/products/openfit2-series4Maker product pagede.shokz.com/products/openfit2-seriesRead 15 October 2026The German OpenFit 2 Series page holds the full spec table for the OpenFit 2+.

service.soundcore.com/product-description/a08e2000006OrpTAAS4Maker product pageservice.soundcore.com/product-description/a08e2000006OrpTAASRead 15 October 2026Soundcore support product page for the AeroFit 2 Pro. It lists a short spec list, the user guides and the EU declaration.

Manual

cdn.shopify.com/s/files/1/0620/0642/7873/files/OPENFIT_2_User_Guide.pdf7Owner's manualcdn.shopify.com/s/files/1/0620/0642/7873/files/OPENFIT_2_User_Guide.pdfRead 15 October 2026The PDF is titled OPENFIT 2+ User Guide and names SHOKZ T921. Some digits do not extract from the PDF text.

salesforce-knowledge-download.s3.us-west-2.amazonaws.com/000038533/en_US/000038533.pdf6Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000038533/en_US/000038533.pdfRead 15 October 2026French user guide A3875 from the Soundcore knowledge base. No English PDF was found. The English guide is a support article that has no readable text.

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

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

2years1Maker product pageshokz.com/products/openfit2plusRead 15 October 2026US store: every purchase from Shokz.com comes with a 2-year warranty.4Maker product pagede.shokz.com/products/openfit2-seriesRead 15 October 2026Spec table row Garantie: 2 Jahre.

1.5years8Maker spec sheet (PDF)lp.ankerjapan.com/hubfs/aoos/manual/A3875Safety.pdfRead 15 October 2026Safety sheet: 18-month limited warranty, with 12 months for India.

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