Earbuds / Compare

EarFun Air Pro 4 vs soundcore Space A40

A

Product A: EarFun

Air Pro 4

91 of 166 known

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B

Product B: soundcore

Space A40

76 of 166 known

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All 166 fields

Every value links to where we found it.

Only differences

AEarFun Air Pro 4

Bsoundcore Space A40

General

4 of 8 differ

Series

Not available

Not available

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

TW600, TW600B, TW600GW, TW600E1Maker product pagemyearfun.com/headphones/earfun-air-pro-4-adaptive-anc-true-wireless-earbuds-blackRead 15 October 2026Page SKUs TW600B Black, TW600GW Glossy White and TW600E Royal Blue. The manual and radio filings name the base model TW600.2Owner's manualdrive.google.com/file/d/1lB2QD83w071hBAMxW53WrJCoyxdrsUEx/viewRead 15 October 2026Specification and compliance pages: product TW600. The FCC label lists TW600L and TW600R.

A3936, A39360121Maker product pageus.soundcore.com/products/space-a40-a3936011.jsRead 8 October 2026Current Black sales SKU is A3936012, despite historical URL handle A3936011. Core hardware model is A3936 from the original and current service documentation. A changed sales-code suffix is not claimed to be either a hardware revision or packaging-only change.

GTIN / EAN

Not available

1946441022721Maker product pageus.soundcore.com/products/space-a40-a3936011.jsRead 8 October 2026Exact current official Black variant barcode 194644102272. Other colours have separate barcodes and are not represented as SKU rows.

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

Not available

Not available

Status

Available1Maker product pagemyearfun.com/headphones/earfun-air-pro-4-adaptive-anc-true-wireless-earbuds-blackRead 15 October 2026Global store lists the Black, Glossy White and Royal Blue variants with Add to cart.

Available1Maker product pageus.soundcore.com/products/space-a40-a3936011.jsRead 8 October 2026Native official US public product JSON identifies Black variant 41956103487678 as available true. Stock is a point-in-time observation, not a permanent quantity claim. The legacy page contains both visible and hidden Sold out template text, so native variant availability is used.

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.

$89.994Press articlesoundguys.com/earfun-unveils-air-pro-4-120881Read 15 October 2026MSRP $89.99. Excludes sales tax. The launch coupon price is not stored.

$99.995Press releaseprnewswire.com/news-releases/soundcore-unveils-space-series-with-two-new-anc-wireless-models-with-stronger-anc-and-long-lasting-battery-life-301612025.htmlRead 8 October 2026Manufacturer-issued August 25, 2022 release explicitly says A40 is available in the US for USD 99.99. Space Q45 pricing is separate.

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.

€79.996Reviewkopfhoerer.de/test/earfun-air-pro-4Read 15 October 2026German test updated on 5 August 2024: regular price 79.99 EUR (UVP) with a launch promotion of 59.99 EUR. VAT is included as is usual for German retail prices. The promotion price is not stored.

€99.995Press releaseprnewswire.com/news-releases/soundcore-unveils-space-series-with-two-new-anc-wireless-models-with-stronger-anc-and-long-lasting-battery-life-301612025.htmlRead 8 October 2026Same exact A40 section lists EUR 99.99 in Germany and Europe. Current sale price is not launch MSRP.

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

US, DE6Reviewkopfhoerer.de/test/earfun-air-pro-4Read 15 October 2026German launch price and the US price from SoundGuys.

US1Maker product pageus.soundcore.com/products/space-a40-a3936011.jsRead 8 October 2026

ColoursiThe maker's own colour names

Black, Glossy White, Royal Blue1Maker product pagemyearfun.com/headphones/earfun-air-pro-4-adaptive-anc-true-wireless-earbuds-blackRead 15 October 2026Colour selector: Black, Glossy White and Royal Blue. Royal Blue came after launch. The Japanese launch report and SoundGuys list black and white only.

Black, White, Navy Blue, Fresh Green, Purple1Maker product pageus.soundcore.com/products/space-a40-a3936011.jsRead 8 October 2026

Segment

Music1Maker product pagemyearfun.com/headphones/earfun-air-pro-4-adaptive-anc-true-wireless-earbuds-blackRead 15 October 2026The maker lists the product as flagship adaptive ANC earbuds. No maker category matches the enum exactly, so music is the closest option.

Music2Maker product pagesoundcore.com/products/space-a40-a3936011Read 8 October 2026

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.

In-ear1Maker product pagemyearfun.com/headphones/earfun-air-pro-4-adaptive-anc-true-wireless-earbuds-blackRead 15 October 2026Page: in-ear earbuds with ear tips and an ergonomic fit.

In-ear2Maker product pagesoundcore.com/products/space-a40-a3936011Read 8 October 2026

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

Stem1Maker product pagemyearfun.com/headphones/earfun-air-pro-4-adaptive-anc-true-wireless-earbuds-blackRead 15 October 2026Stem bud. The controls and microphones sit in the stem.

Stemless2Maker product pagesoundcore.com/products/space-a40-a3936011Read 8 October 2026Current exact-SKU maker gallery shows compact stemless in-ear buds. No inference about microphone or driver quantity is made from appearance.

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

Not available

Either bud2Maker product pagesoundcore.com/products/space-a40-a3936011Read 8 October 2026Exact current maker FAQ explicitly permits taking either left or right bud alone and returning the unused bud to the case.

RGB lighting

Not available

Not available

Drivers and sound

9 of 17 differ

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

AEarFun Air Pro 4

Type	Role	Diameter (mm)	Count per earbud
Dynamic	Full range	10	1

Source1Maker product pagemyearfun.com/headphones/earfun-air-pro-4-adaptive-anc-true-wireless-earbuds-blackRead 15 October 2026Page: 10 mm composite dynamic drivers. SoundGuys lists one driver per bud.

Bsoundcore Space A40

Type	Diameter (mm)
Dynamic	10

Source4Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000009262/en_US/000009262.pdfRead 8 October 2026Original and current guide explicitly identify a 10 mm dynamic driver. Physical transducer quantity per bud is not separately stated, so count remains unknown rather than inferred from one row.11Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000018508/en_US/000018508.pdfRead 8 October 2026Newer A3936 guide has the same core 10 mm dynamic, 16 ohm, 53 mAh x 2 / 800 mAh, 20 Hz to 20 kHz and 10 m specification table. It prints Bluetooth 5.3 instead of the original/current-shop 5.2. That concrete discrepancy is not used to infer a firmware upgrade, hardware revision or universal measurement equivalence.

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

Dynamic1Maker product pagemyearfun.com/headphones/earfun-air-pro-4-adaptive-anc-true-wireless-earbuds-blackRead 15 October 2026

Dynamic4Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000009262/en_US/000009262.pdfRead 8 October 2026

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

10mm=CalculatedFrom Drivers per bud

10mm=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.

1=CalculatedFrom Drivers per bud

Not available

Diaphragm material

Composite diaphragm1Maker product pagemyearfun.com/headphones/earfun-air-pro-4-adaptive-anc-true-wireless-earbuds-blackRead 15 October 2026Page: customised 10 mm composite diaphragm drivers. Verbatim material is composite.

Metal-ceramic, double-layer diaphragm5Press releaseprnewswire.com/news-releases/soundcore-unveils-space-series-with-two-new-anc-wireless-models-with-stronger-anc-and-long-lasting-battery-life-301612025.htmlRead 8 October 2026A40-specific paragraph names innovative 10 mm double-layer-diaphragm drivers with metal-ceramic material. Silk is specified for the separate 40 mm Space Q45 driver and is not transferred.

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

Not available

Min20 HzMax20 kHz4Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000009262/en_US/000009262.pdfRead 8 October 2026Both guide tables explicitly publish acoustic 20 Hz to 20 kHz response. This is not extended to 40 kHz or 96 kHz from a wireless Hi-Res certification or codec name.11Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000018508/en_US/000018508.pdfRead 8 October 2026

Impedance

Not available

16Ω4Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000009262/en_US/000009262.pdfRead 8 October 2026Original rendered English table explicitly shows 16 ohms. The newer guide corroborates it with readable text.11Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000018508/en_US/000018508.pdfRead 8 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.

96kHz1Maker product pagemyearfun.com/headphones/earfun-air-pro-4-adaptive-anc-true-wireless-earbuds-blackRead 15 October 2026Page: aptX Adaptive lossless technology up to 24-bit and 96 kHz. This is the maker's wording. aptX Lossless itself is 44.1 kHz and 16-bit. LDAC reaches 96 kHz and 24-bit on a supported Android phone per the Japanese release.3Press articlephileweb.com/sp/news/d-av/202407/18/60758.htmlRead 15 October 2026LDAC supports up to 96 kHz and 24-bit. aptX Lossless is CD quality 44.1 kHz and 16-bit.

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.

24bits1Maker product pagemyearfun.com/headphones/earfun-air-pro-4-adaptive-anc-true-wireless-earbuds-blackRead 15 October 2026Same maker wording as the sample rate: up to 24-bit and 96 kHz with aptX Adaptive or LDAC on supported sources.

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

Yes1Maker product pagemyearfun.com/headphones/earfun-air-pro-4-adaptive-anc-true-wireless-earbuds-blackRead 15 October 2026Page: personalise your sound using Sound Personalization in the EarFun Audio app.

Yes5Press releaseprnewswire.com/news-releases/soundcore-unveils-space-series-with-two-new-anc-wireless-models-with-stronger-anc-and-long-lasting-battery-life-301612025.htmlRead 8 October 2026A40-specific HearID procedure automatically tunes audio frequencies to personal hearing. This is distinct from manually selecting EQ sliders.13Maker product pageservice.soundcore.com/article-description/Four-Steps-to-Make-Your-soundcore-Space-A40-Earbuds-Sound-BetterRead 8 October 2026

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.

101Maker product pagemyearfun.com/headphones/earfun-air-pro-4-adaptive-anc-true-wireless-earbuds-blackRead 15 October 2026Page: 10-band built-in EQ in the EarFun Audio app.

85Press releaseprnewswire.com/news-releases/soundcore-unveils-space-series-with-two-new-anc-wireless-models-with-stronger-anc-and-long-lasting-battery-life-301612025.htmlRead 8 October 2026A40-specific sound section explicitly publishes eight-band custom EQ. The current maker sound-improvement article separately confirms 22 presets, without publishing a complete name list.13Maker product pageservice.soundcore.com/article-description/Four-Steps-to-Make-Your-soundcore-Space-A40-Earbuds-Sound-BetterRead 8 October 2026Exact support article confirms 22 EQ presets and HearID sound profile. The eight-band count comes directly from the maker launch release. Full preset names are not invented.

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

Bass Boost 3, Bass Reducer 3, Treble Boost 3, Treble Reducer 35Reviewsoundguys.com/earfun-air-pro-4-review-122469Read 15 October 2026Review: 30 EQ presets plus a 10-band custom equaliser. Three strengths exist for each boost and reduce preset. The four strongest presets named in the review are stored. The other presets are not listed.

Not available

Volume limit

Not available

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Spatial audio

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

Not available

3D Surround Sound8Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000018508/en_US/000018508.pdfRead 8 October 2026The newer official A3936 guide, PDF created August 27, 2025 and linked by the current service index, explicitly lists 3D Surround Sound among app features. Exact enabling app or firmware version is not published. This is a current documentation claim, without asserting a launch feature or availability on the original reviewed firmware 3.19.

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

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Active noise cancelling

Yes1Maker product pagemyearfun.com/headphones/earfun-air-pro-4-adaptive-anc-true-wireless-earbuds-blackRead 15 October 2026Page: QuietSmart 3.0 adaptive noise cancellation up to 50 dB.

Yes2Maker product pagesoundcore.com/products/space-a40-a3936011Read 8 October 2026

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

Hybrid1Maker product pagemyearfun.com/headphones/earfun-air-pro-4-adaptive-anc-true-wireless-earbuds-blackRead 15 October 2026Maker gallery image titled Adaptive Hybrid Active Noise Cancellation. A second gallery image labels a feedforward mic and a feedback mic in each bud.4Press articlesoundguys.com/earfun-unveils-air-pro-4-120881Read 15 October 2026Adaptive hybrid ANC with feedforward and feedback microphones.

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.

41Maker product pagemyearfun.com/headphones/earfun-air-pro-4-adaptive-anc-true-wireless-earbuds-blackRead 15 October 2026Maker gallery diagram labels a feedforward mic, a feedback mic and a talk mic in each bud. That gives four ANC microphones across the pair. The talk mic is not an ANC microphone.

Not available

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

Yes1Maker product pagemyearfun.com/headphones/earfun-air-pro-4-adaptive-anc-true-wireless-earbuds-blackRead 15 October 2026Page: QuietSmart 3.0 senses changes in ambient noise and how the earbuds are worn and adjusts the cancellation.

Yes2Maker product pagesoundcore.com/products/space-a40-a3936011Read 8 October 2026

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

31Maker product pagemyearfun.com/headphones/earfun-air-pro-4-adaptive-anc-true-wireless-earbuds-blackRead 15 October 2026Page: manual choice of three levels, high, normal and low. SoundGuys lists a Strong and a Balance mode on early firmware. The maker figure is used.5Reviewsoundguys.com/earfun-air-pro-4-review-122469Read 15 October 2026Review on firmware 0.2.3 lists Strong ANC, Balance ANC, two adaptive modes and a wind mode. The maker lists three manual levels, which is stored.

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.

50dB1Maker product pagemyearfun.com/headphones/earfun-air-pro-4-adaptive-anc-true-wireless-earbuds-blackRead 15 October 2026Page and gallery image: up to 50 dB. The frequency and test conditions are not stated.

Not available

Transparency mode

Yes1Maker product pagemyearfun.com/headphones/earfun-air-pro-4-adaptive-anc-true-wireless-earbuds-blackRead 15 October 2026Page: Ambient Sound modes.

Yes2Maker product pagesoundcore.com/products/space-a40-a3936011Read 8 October 2026

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.

Yes1Maker product pagemyearfun.com/headphones/earfun-air-pro-4-adaptive-anc-true-wireless-earbuds-blackRead 15 October 2026The maker FAQ and manual list Wind Noise Cancellation as an app setting. This is selectable processing, not a mesh or shape change.2Owner's manualdrive.google.com/file/d/1lB2QD83w071hBAMxW53WrJCoyxdrsUEx/viewRead 15 October 2026App feature list names Wind Noise Cancellation.

Yes2Maker product pagesoundcore.com/products/space-a40-a3936011Read 8 October 2026Exact maker FAQ identifies a selectable Wind Noise Reduction mode within ANC and Transparency settings. It automatically activates when detected wind crosses its threshold. This is distinct from the separate AI call-noise processing.

Measured

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

SoundGuys lab response closely follows its Headphone Preference Curve apart from a dip in the highs around 8 to 11 kHz. Bass below 500 Hz is louder with ANC on than with ANC off.5Reviewsoundguys.com/earfun-air-pro-4-review-122469Read 15 October 2026Review: the response closely follows the house curve with a dip in the highs around 8 to 11 kHz. Disabling ANC makes all frequencies below 500 Hz quieter. Firmware 0.2.3, EarFun app 20.1.1. The unit came from EarFun.

SoundGuys measured the default Soundcore Signature profile close to its Headphone Preference Curve, with lower bass and high-frequency output relative to that target.7Reviewsoundguys.com/anker-soundcore-space-a40-review-81004Read 8 October 2026Original reference sample and same firmware/app as the named SoundGuys review. Specific default profile and target are preserved. No chart amplitude is estimated as an exact bass/treble deviation.

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

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

Not available

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

Not available

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

Not available

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

Not available

Not available

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

Not available

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

Not available

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

SoundGuys microphone demonstrations pick up the voice accurately in quiet conditions. The microphones are not ideal for calls in noisy environments.5Reviewsoundguys.com/earfun-air-pro-4-review-122469Read 15 October 2026Review: the microphones accurately pick up the voice in quiet environments and are not ideal for noisy ones. Ideal, office, street, windy and reverberant demonstrations were published.

Not available

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

Not available

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

Not available

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

Not available

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

Not available

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

Not available

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

Not available

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

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.

AEarFun Air Pro 4

Hours (h)
8.73

Source5Reviewsoundguys.com/earfun-air-pro-4-review-122469Read 15 October 2026Review battery test: 8 hours 44 minutes, stored as 8.73 h. The review does not state ANC, codec or volume for the test, so no ANC or codec value is stored. The page lists 8.73 h. This is not case-inclusive runtime.

Bsoundcore Space A40

ANC	Hours (h)
Yes	7.92

Source7Reviewsoundguys.com/anker-soundcore-space-a40-review-81004Read 8 October 2026SoundGuys purchased its original retail A3936011 reference sample, tested for one week on firmware 3.19 and app 3.1.1. Constant audio playback peaking at 75 dB SPL with ANC on ran 7 h 55 min, converted to hours. Host and codec are not identified. The current sales code A3936012 is separately named, not described as the tested unit. A hardware change or unchanged-hardware reason for the suffix change is not asserted. The quoted case recharge count and projected well-over-24-hour total are not stored as measured case runtime. Identity was checked against the actual A3936 maker manuals and current selected-SKU specifications: the 10 mm dynamic driver, 16 ohm impedance, 53 mAh x 2 / 800 mAh battery system, 20 Hz to 20 kHz acoustic range, 10 m range and selected 5.2 radio claim match. No declared current physical component difference was found. This remains the named original test, without claiming current stock was directly retested.

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

8.73h=CalculatedFrom Battery life (measured)

7.92h=CalculatedFrom Battery life (measured)

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

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

Not available

Not available

Microphones and calls

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

61Maker product pagemyearfun.com/headphones/earfun-air-pro-4-adaptive-anc-true-wireless-earbuds-blackRead 15 October 2026Page: 6-mic system with an AI algorithm and cVc 8.0. The gallery diagram shows three microphones in each bud.3Press articlephileweb.com/sp/news/d-av/202407/18/60758.htmlRead 15 October 2026Three microphones per earbud for calls, with cVc 8.0 and AI voice pickup.6Reviewkopfhoerer.de/test/earfun-air-pro-4Read 15 October 2026Three AI-supported microphones per side with cVc 8.0.

62Maker product pagesoundcore.com/products/space-a40-a3936011Read 8 October 2026Current maker specification states six microphones with AI for calls. Counts the physical microphones across the pair. Logical ANC/call uses are not counted as separate microphones.

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.

61Maker product pagemyearfun.com/headphones/earfun-air-pro-4-adaptive-anc-true-wireless-earbuds-blackRead 15 October 2026Six across the pair, including the ANC microphones.

62Maker product pagesoundcore.com/products/space-a40-a3936011Read 8 October 2026Published six microphones across the earbud pair are counted once, without adding separate counts for their ANC functions. No case microphone is inferred.

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 pagemyearfun.com/headphones/earfun-air-pro-4-adaptive-anc-true-wireless-earbuds-blackRead 15 October 2026Page: 6-mic AI algorithm with cVc 8.0.

AI2Maker product pagesoundcore.com/products/space-a40-a3936011Read 8 October 2026

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

Not available

Not available

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

Not available

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SidetoneiHear your own voice in calls

Not available

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Connectivity

9 of 18 differ

Chip

Qualcomm QCC30911Maker product pagemyearfun.com/headphones/earfun-air-pro-4-adaptive-anc-true-wireless-earbuds-blackRead 15 October 2026Page: Qualcomm QCC3091 SoC.3Press articlephileweb.com/sp/news/d-av/202407/18/60758.htmlRead 15 October 2026Qualcomm QCC3091.

Not available

Connections

Bluetooth1Maker product pagemyearfun.com/headphones/earfun-air-pro-4-adaptive-anc-true-wireless-earbuds-blackRead 15 October 2026Bluetooth only.

Bluetooth2Maker product pagesoundcore.com/products/space-a40-a3936011Read 8 October 2026

Bluetooth

5.41Maker product pagemyearfun.com/headphones/earfun-air-pro-4-adaptive-anc-true-wireless-earbuds-blackRead 15 October 2026Specs table: V5.4.2Owner's manualdrive.google.com/file/d/1lB2QD83w071hBAMxW53WrJCoyxdrsUEx/viewRead 15 October 2026English specifications: V5.4.

5.22Maker product pagesoundcore.com/products/space-a40-a3936011Read 8 October 2026Exact current US product page and original A3936 manual explicitly state Bluetooth 5.2, selected for this current Black reference. The newer generic A3936 guide prints 5.3. No firmware upgrade, revised radio hardware or colour-specific assignment is proven. The discrepancy remains explicit and is not transferred to another revision.

Bluetooth codecs

SBC, AAC, aptX Adaptive, aptX Lossless, LDAC, LC31Maker product pagemyearfun.com/headphones/earfun-air-pro-4-adaptive-anc-true-wireless-earbuds-blackRead 15 October 2026Specs table: aptX adaptive, LDAC, SBC and LC3. The page text adds aptX Lossless. AAC is not in the maker table and comes from SoundGuys and kopfhoerer.de.5Reviewsoundguys.com/earfun-air-pro-4-review-122469Read 15 October 2026Review: aptX Lossless, LDAC, AAC and SBC with Bluetooth 5.4.6Reviewkopfhoerer.de/test/earfun-air-pro-4Read 15 October 2026Codecs SBC, AAC, aptX, aptX Adaptive, aptX Lossless, LC3 and LDAC. The aptX family and LDAC are activated on Android.

SBC, AAC, LDAC2Maker product pagesoundcore.com/products/space-a40-a3936011Read 8 October 2026

Bluetooth profiles

A2DP, AVRCP, HFP, HSP1Maker product pagemyearfun.com/headphones/earfun-air-pro-4-adaptive-anc-true-wireless-earbuds-blackRead 15 October 2026Specs table: A2DP, AVRCP, HFP and HSP.2Owner's manualdrive.google.com/file/d/1lB2QD83w071hBAMxW53WrJCoyxdrsUEx/viewRead 15 October 2026English specifications: A2DP, AVRCP, HFP and HSP.

Not available

LE Audio

Yes1Maker product pagemyearfun.com/headphones/earfun-air-pro-4-adaptive-anc-true-wireless-earbuds-blackRead 15 October 2026Page: LE Audio with the LC3 codec, available via firmware update only.6Reviewkopfhoerer.de/test/earfun-air-pro-4Read 15 October 2026LE Audio is supported and can be chosen in the app instead of Google Fast Pair.

Not available

Auracast

Yes1Maker product pagemyearfun.com/headphones/earfun-air-pro-4-adaptive-anc-true-wireless-earbuds-blackRead 15 October 2026Page: Auracast supported, available via firmware update only. The maker Auracast announcement lists the Air Pro 4.6Reviewkopfhoerer.de/test/earfun-air-pro-4Read 15 October 2026Auracast is supported and needs a compatible smartphone. Owners on the maker community report that it needs a specific firmware.7Press releasemyearfun.com/press-release/auracast-is-here-unlock-a-new-era-of-shared-audio-with-earfunRead 15 October 2026Maker announcement of 6 November 2025 on Auracast. The product menu on the page lists the Air Pro 4 with Lossless Audio and Auracast. It gives no firmware version.

Not available

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

Yes1Maker product pagemyearfun.com/headphones/earfun-air-pro-4-adaptive-anc-true-wireless-earbuds-blackRead 15 October 2026Page: connects to two devices at the same time.

Yes2Maker product pagesoundcore.com/products/space-a40-a3936011Read 8 October 2026

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

21Maker product pagemyearfun.com/headphones/earfun-air-pro-4-adaptive-anc-true-wireless-earbuds-blackRead 15 October 2026Page: two devices.5Reviewsoundguys.com/earfun-air-pro-4-review-122469Read 15 October 2026Review and spec table: multipoint with two devices.

22Maker product pagesoundcore.com/products/space-a40-a3936011Read 8 October 2026Exact maker Dual Connection describes two concurrent source devices, separate from remembered pairing records.

Multipoint with LDACiMany buds turn multipoint off on LDAC

Not available

No2Maker product pagesoundcore.com/products/space-a40-a3936011Read 8 October 2026Exact maker FAQ says multipoint is automatically disabled when LDAC is enabled. Original manual also states that LDAC is unavailable with two-device connection.

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

Not available

Not available

Automatic switching between own devicesiThrough the maker's account

Not available

Not available

Fast pairing

Google Fast Pair1Maker product pagemyearfun.com/headphones/earfun-air-pro-4-adaptive-anc-true-wireless-earbuds-blackRead 15 October 2026Page: Google Fast Pair on Android Marshmallow and above or 11.0 and later.

Not available

Audio sharingiShare one stream with a second pair

Not available

Not available

Wireless range (claimed)

15m1Maker product pagemyearfun.com/headphones/earfun-air-pro-4-adaptive-anc-true-wireless-earbuds-blackRead 15 October 2026Specs table: maximum working range 15 m without obstacles.2Owner's manualdrive.google.com/file/d/1lB2QD83w071hBAMxW53WrJCoyxdrsUEx/viewRead 15 October 2026Troubleshooting: maximum range 49 ft (15 m) without obstacles.

10m4Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000009262/en_US/000009262.pdfRead 8 October 2026Direct metric claim 10 m, separate from the rounded 33 ft companion value.11Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000018508/en_US/000018508.pdfRead 8 October 2026

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

3 of 3 differ

Low latency mode

Yes1Maker product pagemyearfun.com/headphones/earfun-air-pro-4-adaptive-anc-true-wireless-earbuds-blackRead 15 October 2026Page: Ultra Low Latency Mode and Game Mode in the app.

Not available

Claimed latency

AEarFun Air Pro 4

Connection	Mode	Latency (ms)
Bluetooth	Game Mode	50

Source1Maker product pagemyearfun.com/headphones/earfun-air-pro-4-adaptive-anc-true-wireless-earbuds-blackRead 15 October 2026Feature list says < 50 ms and the text says 50 ms. Stored as 50 ms. The Bluetooth connection and Game Mode are the conditions. The host phone and codec are not stated.

Bsoundcore Space A40

Not available

Lowest claimed latency

50ms=CalculatedFrom Claimed latency

Not available

Compatibility

3 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, iOS1Maker product pagemyearfun.com/headphones/earfun-air-pro-4-adaptive-anc-true-wireless-earbuds-blackRead 15 October 2026Page: EarFun Audio app for iOS and Android.

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.

AEarFun Air Pro 4

Platform	Connection
Android	Bluetooth
iOS	Bluetooth

Source1Maker product pagemyearfun.com/headphones/earfun-air-pro-4-adaptive-anc-true-wireless-earbuds-blackRead 15 October 2026Bluetooth is the only connection. Microphone support per platform is not stated.

Bsoundcore Space A40

Not available

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

AEarFun Air Pro 4

Feature	Needs
LDAC	Android phone that supports LDAC. Turn it on in the EarFun Audio app under Bluetooth Audio Quality. The earbuds restart to apply it. iOS devices do not support LDAC.
Google Fast Pair	Android phones running Marshmallow and above or Android 11 and later per the maker page.
LE Audio and Auracast	The maker page says they are available via firmware update only. kopfhoerer.de says LE Audio is chosen in the app instead of Google Fast Pair and Auracast needs a compatible phone.
Game Mode	Turn it on in the EarFun Audio app. The latency claim is for Game Mode.
In-ear detection	Can be switched on or off in the EarFun Audio app. Auto-answer on insertion does not apply to VoIP calls.

Source1Maker product pagemyearfun.com/headphones/earfun-air-pro-4-adaptive-anc-true-wireless-earbuds-blackRead 15 October 20262Owner's manualdrive.google.com/file/d/1lB2QD83w071hBAMxW53WrJCoyxdrsUEx/viewRead 15 October 2026LDAC section: Android only, switch it in Bluetooth Audio Quality in the app, and the earbuds reboot. In-ear detection excludes VoIP calls. Game Mode must be enabled in the app.6Reviewkopfhoerer.de/test/earfun-air-pro-4Read 15 October 2026LE Audio is selected in the app instead of Google Fast Pair.

Bsoundcore Space A40

Feature	Needs
LDAC audio	Compatible Android 8.0 or later source. Enable Preferred Audio Quality in soundcore. LDAC disables multipoint and increases battery consumption.
Earbud volume controls	Assign volume commands in the soundcore app. They are not enabled by default in the original reviewed setup.
3D Surround Sound	Listed in the newer A3936 app guide. Exact minimum app and firmware version is not published, so availability on firmware 3.19 is not claimed.

Source9Maker product pageservice.soundcore.com/article-description/How-to-Enable-LDAC-on-soundcore-Space-A40-EarbudsRead 8 October 2026Exact manufacturer LDAC guide identifies Android 8.0 or later and app-controlled mode. Volume and current documented 3D Surround conditions come from their separate cited maker/review sources, without inventing a firmware rollout.

Official licence

Not available

Not available

Battery and charging

11 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.

54mAh1Maker product pagemyearfun.com/headphones/earfun-air-pro-4-adaptive-anc-true-wireless-earbuds-blackRead 15 October 2026Specs table: 54 mAh x 2 for the earbuds. Typical or rated basis is not stated.2Owner's manualdrive.google.com/file/d/1lB2QD83w071hBAMxW53WrJCoyxdrsUEx/viewRead 15 October 2026Specifications: 54 mAh x 2 and 600 mAh.

53mAh4Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000009262/en_US/000009262.pdfRead 8 October 2026Guide table explicitly states 53 mAh x 2 earbuds, so 53 mAh per bud. Typical versus rated capacity and nominal cell voltage are not labelled.11Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000018508/en_US/000018508.pdfRead 8 October 2026

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

Not available

Not available

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

AEarFun Air Pro 4

Mode	Codec	Includes case recharges	Hours (h)
ANC off	Not available	No	11
ANC off	Not available	Yes	52
ANC on	Not available	No	7.5
ANC on	Not available	Yes	35
ANC off	LDAC	No	8.5
ANC off	LDAC	Yes	40
ANC on	LDAC	No	6
ANC on	LDAC	Yes	28

Source1Maker product pagemyearfun.com/headphones/earfun-air-pro-4-adaptive-anc-true-wireless-earbuds-blackRead 15 October 2026Specs table: ANC off up to 11 h and 52 h in total with the case. ANC on up to 7.5 h and 35 h in total. FAQ adds LDAC rows: ANC off 8.5 h and 40 h, ANC on 6 h and 28 h. Figures vary with volume and content. A gallery footnote says the data is laboratory data with ANC off at 50 percent volume. The codec for the non-LDAC rows is not named.2Owner's manualdrive.google.com/file/d/1lB2QD83w071hBAMxW53WrJCoyxdrsUEx/viewRead 15 October 2026Specifications: ANC off up to 11 h and 52 h in total, ANC on up to 7.5 h and 35 h in total, varying with volume and content.

Bsoundcore Space A40

Mode	Codec	Includes case recharges	Hours (h)
ANC off	Not available	No	10
ANC off	Not available	Yes	50
ANC on	Not available	No	8
ANC on	Not available	Yes	40
Transparency	Not available	No	8
Transparency	Not available	Yes	40
ANC off	LDAC	No	6
ANC off	LDAC	Yes	30
ANC on	LDAC	No	5
ANC on	LDAC	Yes	25
Call	Not available	No	6

Source3Maker product pagesoundcore.com/products/space-a40-a3936011Read 8 October 2026Exact maker playtime FAQ separates Normal 10 h / 50 h total, ANC 8 h / 40 h, transparency 8 h / 40 h, LDAC off-ANC 6 h / 30 h and LDAC with ANC 5 h / 25 h. Total means initial earbud charge plus case recharges, as explicitly confirmed by the manual. Non-LDAC codec is not named, so AAC or SBC is not guessed. The selected playtime FAQ states default Anker laboratory settings and 50 percent volume. A separate discharging-troubleshooting answer says 60 percent volume for the same 8/10-hour estimates. Neither is silently substituted for the other. Call row is the maker Normal/ANC-off six-hour claim, with no codec assigned. Its separate ANC-on five-hour call claim cannot be distinguished by the call enum and remains in this note.

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

11h=CalculatedFrom Claimed battery life

10h=CalculatedFrom Claimed battery life

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

7.5h=CalculatedFrom Claimed battery life

8h=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

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.

52h=CalculatedFrom Claimed battery life

50h=CalculatedFrom Claimed battery life

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

35h=CalculatedFrom Claimed battery life

40h=CalculatedFrom Claimed battery life

Talk time (claimed)

Not available

6h=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 pagemyearfun.com/headphones/earfun-air-pro-4-adaptive-anc-true-wireless-earbuds-blackRead 15 October 2026Specs table: charging time 1 hour for the earbuds.2Owner's manualdrive.google.com/file/d/1lB2QD83w071hBAMxW53WrJCoyxdrsUEx/viewRead 15 October 2026Specifications: 1 hour for the earbuds.

120min2Maker product pagesoundcore.com/products/space-a40-a3936011Read 8 October 2026Exact maker charging FAQ explicitly says about two hours to fully charge earbuds, converted to 120 minutes. Adapter, initial percentage and cable are not separately specified. This is an approximate maker estimate, not a reviewer charge measurement.

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

The case takes 3.5 hours to charge on a wireless charger. The case input is DC 5 V 1 A.1Maker product pagemyearfun.com/headphones/earfun-air-pro-4-adaptive-anc-true-wireless-earbuds-blackRead 15 October 2026Specs table: 3.5 hours for the case on a wireless charger and input DC 5 V 1 A.2Owner's manualdrive.google.com/file/d/1lB2QD83w071hBAMxW53WrJCoyxdrsUEx/viewRead 15 October 2026Specifications: 3.5 hours for the case on a wireless charger.

The maker estimates about two hours for a full earbud charge, three hours for the case by USB-C cable, or 3.5 hours for the case wirelessly. Ten minutes in the case is claimed to give up to four hours of earbud playback. Use a certified USB-C charging cable. The manual lists a 5 V / 0.65 A input, without an inferred charging-wattage or USB-PD claim. Fully dry the earbuds and port before charging. ANC, LDAC, calls and volume affect runtime.3Maker product pagesoundcore.com/products/space-a40-a3936011Read 8 October 2026Component-specific approximate times come from the exact public maker FAQ. The original and newer guide SPECS row says only two hours, while its charging diagram depicts three hours beside the powered case. That generic table alone is not used to assign case-only timing. The explicit component-specific FAQ supports the stored bud and cable-case estimates. Literal 5 V / 0.65 A input is not converted into accepted watts or a charging protocol.

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

10min1Maker product pagemyearfun.com/headphones/earfun-air-pro-4-adaptive-anc-true-wireless-earbuds-blackRead 15 October 2026Feature list: 10 minutes of charging gives 2 hours of playtime.

10min2Maker product pagesoundcore.com/products/space-a40-a3936011Read 8 October 2026

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 pagemyearfun.com/headphones/earfun-air-pro-4-adaptive-anc-true-wireless-earbuds-blackRead 15 October 2026Feature list: 10 minutes of charging gives 2 hours of playtime. Earbuds only. ANC and codec are not stated.

4h2Maker product pagesoundcore.com/products/space-a40-a3936011Read 8 October 2026Maker claims up to four hours of earbud listening after ten minutes in the case. Exact mode, codec and volume for the quick-charge claim are not stated. The 50-hour case-inclusive headline is separate.

Charging case

3 of 10 differ

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

600mAh1Maker product pagemyearfun.com/headphones/earfun-air-pro-4-adaptive-anc-true-wireless-earbuds-blackRead 15 October 2026Specs table: 600 mAh for the charging case. Typical or rated basis is not stated.

800mAh4Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000009262/en_US/000009262.pdfRead 8 October 2026Guide table separately states 800 mAh case-cell capacity. No USB output capacity or energy conversion is inferred.11Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000018508/en_US/000018508.pdfRead 8 October 2026

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

Not available

Not available

Case charging port

USB-C1Maker product pagemyearfun.com/headphones/earfun-air-pro-4-adaptive-anc-true-wireless-earbuds-blackRead 15 October 2026Specs table lists charging the case via USB-C.

USB-C2Maker product pagesoundcore.com/products/space-a40-a3936011Read 8 October 2026

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.

120min1Maker product pagemyearfun.com/headphones/earfun-air-pro-4-adaptive-anc-true-wireless-earbuds-blackRead 15 October 2026Specs table: 2 hours for the case via USB-C.2Owner's manualdrive.google.com/file/d/1lB2QD83w071hBAMxW53WrJCoyxdrsUEx/viewRead 15 October 2026Specifications: 2 hours for the case via USB-C and 3.5 hours via a wireless charger.

180min2Maker product pagesoundcore.com/products/space-a40-a3936011Read 8 October 2026Exact maker charging FAQ explicitly says about three hours for the case by USB-C cable, converted to 180 minutes, and about 3.5 hours wirelessly. The latter is kept in visible charging guidance, not substituted for the cable field.

Wireless charging

Yes1Maker product pagemyearfun.com/headphones/earfun-air-pro-4-adaptive-anc-true-wireless-earbuds-blackRead 15 October 2026Page: wireless charging compatible.

Yes2Maker product pagesoundcore.com/products/space-a40-a3936011Read 8 October 2026

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

Qi5Reviewsoundguys.com/earfun-air-pro-4-review-122469Read 15 October 2026Review: the case charges wirelessly on a Qi charging mat.

Qi5Press releaseprnewswire.com/news-releases/soundcore-unveils-space-series-with-two-new-anc-wireless-models-with-stronger-anc-and-long-lasting-battery-life-301612025.htmlRead 8 October 2026Exact A40 battery paragraph explicitly says the case can be placed on a Qi wireless charging pad. Qi2, magnetic attachment and wireless wattage are not inferred.

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

No1Maker product pagemyearfun.com/headphones/earfun-air-pro-4-adaptive-anc-true-wireless-earbuds-blackRead 15 October 2026The manual shows white LED indicators on the case. No screen exists.

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

2 of 5 differ

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

Touch2Owner's manualdrive.google.com/file/d/1lB2QD83w071hBAMxW53WrJCoyxdrsUEx/viewRead 15 October 2026Touch controls section: taps on the earbuds.

Touch2Maker product pagesoundcore.com/products/space-a40-a3936011Read 8 October 2026

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

Touch2Owner's manualdrive.google.com/file/d/1lB2QD83w071hBAMxW53WrJCoyxdrsUEx/viewRead 15 October 2026Touch controls: one tap on the left earbud lowers volume and one tap on the right raises it.

Touch2Maker product pagesoundcore.com/products/space-a40-a3936011Read 8 October 2026Exact maker volume FAQ permits assigning volume gestures in soundcore Controls. Source phone volume alone is not treated as earbud controls.

Gestures

Double tap: play or pause, Triple tap left: previous track, Triple tap right: next track, Single tap left: volume down, Single tap right: volume up, Hold 2 seconds left: noise cancelling, ambient sound or normal, Hold 2 seconds right: voice assistant, Call, double tap: answer or end, Call, triple tap: answer and switch between two calls, Call, hold 2 seconds: reject2Owner's manualdrive.google.com/file/d/1lB2QD83w071hBAMxW53WrJCoyxdrsUEx/viewRead 15 October 2026Touch controls table. SoundGuys notes the single-tap volume gestures can be turned off in the app.5Reviewsoundguys.com/earfun-air-pro-4-review-122469Read 15 October 2026Review control table matches the manual. A single tap changes volume by default and can be turned off.

Double tap left: play/pause, Double tap right: next track, Double tap either bud: answer/end call, Hold either bud 2 seconds: noise-control mode or reject call4Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000009262/en_US/000009262.pdfRead 8 October 2026Original complete stereo/mono controls table. Volume can be assigned in soundcore, without asserting it is enabled by default.

Remappable controls

Yes1Maker product pagemyearfun.com/headphones/earfun-air-pro-4-adaptive-anc-true-wireless-earbuds-blackRead 15 October 2026The manual lists customisable touch controls in the EarFun Audio app.2Owner's manualdrive.google.com/file/d/1lB2QD83w071hBAMxW53WrJCoyxdrsUEx/viewRead 15 October 2026App section: customizable touch controls.5Reviewsoundguys.com/earfun-air-pro-4-review-122469Read 15 October 2026Review: tap controls can be fully customised in the app.

Yes2Maker product pagesoundcore.com/products/space-a40-a3936011Read 8 October 2026

Voice assistant

Voice assistant of the connected phone2Owner's manualdrive.google.com/file/d/1lB2QD83w071hBAMxW53WrJCoyxdrsUEx/viewRead 15 October 2026Touch controls: hold the right earbud for 2 seconds to activate the voice assistant. The assistant is the phone's.

Not available

Sensors and health

1 of 9 differ

In-ear detection

Yes1Maker product pagemyearfun.com/headphones/earfun-air-pro-4-adaptive-anc-true-wireless-earbuds-blackRead 15 October 2026Page: in-ear detection pauses when you take the earbuds out and resumes when you put them back. It detects one or both earbuds.2Owner's manualdrive.google.com/file/d/1lB2QD83w071hBAMxW53WrJCoyxdrsUEx/viewRead 15 October 2026In-Ear Detection section: remove to pause and put back to resume or answer a call, not for VoIP calls. It can be switched off in the app.

Not available

Sensors

Not available

Not available

Heart rate sensor

Not available

Not available

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

Not available

Not available

Hearing aid featureiAmplification for mild to moderate hearing loss

Not available

Not available

Medical clearances

Not available

Not available

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

Yes5Reviewsoundguys.com/earfun-air-pro-4-review-122469Read 15 October 2026Review: My Sound Profile in the app runs a hearing test that builds an EQ preset. This is a sound personalisation test, not a medical test.

Yes5Press releaseprnewswire.com/news-releases/soundcore-unveils-space-series-with-two-new-anc-wireless-models-with-stronger-anc-and-long-lasting-battery-life-301612025.htmlRead 8 October 2026The maker describes the HearID personal-hearing procedure that tunes frequencies to individual hearing. This is a consumer sound-personalization assessment, not a medical hearing diagnosis.

Hearing protectioniLimits sudden loud sounds

Not available

Not available

Health features

Not available

Not available

Fit and durability

3 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.

XS, S, M, L, XL2Owner's manualdrive.google.com/file/d/1lB2QD83w071hBAMxW53WrJCoyxdrsUEx/viewRead 15 October 2026How to fit section shows ear tip sizes XS, S, M, L and XL.5Reviewsoundguys.com/earfun-air-pro-4-review-122469Read 15 October 2026Review: five sizes of silicone ear tips are included.6Reviewkopfhoerer.de/test/earfun-air-pro-4Read 15 October 2026Five sizes XS, S, M, L and XL.

XS, S, M, L, XL4Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000009262/en_US/000009262.pdfRead 8 October 2026Complete original and current WEARING diagrams list XS, S, M, L and XL. Maker launch release and independent box overview corroborate five sizes/pairs. Brief marketing says four tip options without clarifying whether fitted tips are excluded, so that phrase does not override the complete five-size list.11Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000018508/en_US/000018508.pdfRead 8 October 2026

Ear tip materials

Silicone5Reviewsoundguys.com/earfun-air-pro-4-review-122469Read 15 October 2026Review: silicone ear tips.

Silicone5Press releaseprnewswire.com/news-releases/soundcore-unveils-space-series-with-two-new-anc-wireless-models-with-stronger-anc-and-long-lasting-battery-life-301612025.htmlRead 8 October 2026Exact A40 design paragraph explicitly names five different-sized silicone tips.

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

Not available

None7Reviewsoundguys.com/anker-soundcore-space-a40-review-81004Read 8 October 2026Reviewer explicitly says no stabilizing wings or similar fittings. This is direct negative evidence, not an omission from a box list.

Ear tip fit test

Not available

Yes4Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000009262/en_US/000009262.pdfRead 8 October 202613Maker product pageservice.soundcore.com/article-description/Four-Steps-to-Make-Your-soundcore-Space-A40-Earbuds-Sound-BetterRead 8 October 2026

Dust and water rating, buds

IPX51Maker product pagemyearfun.com/headphones/earfun-air-pro-4-adaptive-anc-true-wireless-earbuds-blackRead 15 October 2026Page: IPX5 sweat and water resistant.

IPX42Maker product pagesoundcore.com/products/space-a40-a3936011Read 8 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

EarFun Audio1Maker product pagemyearfun.com/headphones/earfun-air-pro-4-adaptive-anc-true-wireless-earbuds-blackRead 15 October 2026Page: EarFun Audio app.

soundcore4Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000009262/en_US/000009262.pdfRead 8 October 2026

App platforms

Android, iOS1Maker product pagemyearfun.com/headphones/earfun-air-pro-4-adaptive-anc-true-wireless-earbuds-blackRead 15 October 2026Page links the EarFun App for iOS and for Android.

Android, iOS4Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000009262/en_US/000009262.pdfRead 8 October 2026

User firmware updates

Yes1Maker product pagemyearfun.com/headphones/earfun-air-pro-4-adaptive-anc-true-wireless-earbuds-blackRead 15 October 2026Manual and page: firmware update in the EarFun Audio app.2Owner's manualdrive.google.com/file/d/1lB2QD83w071hBAMxW53WrJCoyxdrsUEx/viewRead 15 October 2026App section: firmware update.

Yes4Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000009262/en_US/000009262.pdfRead 8 October 2026

Finding network

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Precision findingiUWB in the case

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Live translation

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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.

5.2g(0.2 oz)3Press articlephileweb.com/sp/news/d-av/202407/18/60758.htmlRead 15 October 2026Japanese launch report from the maker's technical data: about 5.2 g per earbud and about 56 g for the case with the earbuds. SoundGuys gives 5 g and kopfhoerer.de gives 5.5 g. The 56 g on the maker page is the case with the earbuds, so no case weight is stored.

4.9g(0.2 oz)2Maker product pagesoundcore.com/products/space-a40-a3936011Read 8 October 2026Current maker specification and single-earbud gallery caption publish 4.9 g. Tip size is not stated. SoundGuys lists 4.6 g for its older sample without calling that a measured result. No weight is transferred into a measured field.

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.

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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.

Hi-Res Audio Wireless1Maker product pagemyearfun.com/headphones/earfun-air-pro-4-adaptive-anc-true-wireless-earbuds-blackRead 15 October 2026Page: Hi-Res Audio and Snapdragon Sound certifications with LDAC. A maker gallery image shows the Hi-Res Audio Wireless logo with LDAC and aptX Lossless.

Hi-Res Audio Wireless5Press releaseprnewswire.com/news-releases/soundcore-unveils-space-series-with-two-new-anc-wireless-models-with-stronger-anc-and-long-lasting-battery-life-301612025.htmlRead 8 October 2026Exact A40 sound section names Hi-Res Wireless certification with LDAC. Separate Q45 wired certification is not transferred.

Communication certifications

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FCC IDs

2AVIT-TW600L, 2AVIT-TW600R2Owner's manualdrive.google.com/file/d/1lB2QD83w071hBAMxW53WrJCoyxdrsUEx/viewRead 15 October 2026Back cover label: FCC ID 2AVIT-TW600L for the left earbud and 2AVIT-TW600R for the right.

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Other certifications

Snapdragon Sound1Maker product pagemyearfun.com/headphones/earfun-air-pro-4-adaptive-anc-true-wireless-earbuds-blackRead 15 October 2026Page: Snapdragon Sound certification.

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In the box

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In the box

Earbuds, Charging case, Ear tips in five sizes, USB-C to USB-A charging cable, Cleaning stick6Reviewkopfhoerer.de/test/earfun-air-pro-4Read 15 October 2026Technical data: ear tips, USB-C to USB-A cable, cleaning stick and charging case.

Left and right earbuds, Charging case, Five pairs of silicone ear tips, USB-A to USB-C charging cable, Quick Start Guide, Safety Guide10Reviewconsumerreports.org/electronics-computers/headphones/soundcore-by-anker-space-a40/m408250Read 8 October 2026Independent public indexed Consumer Reports overview explicitly lists five pairs of earpieces, charging cradle/recharge battery/carry case, USB-A to USB-C charging cable, Quick Start Guide and Safety Guide. Those combined cradle/battery/carry-case terms refer to the charging case, not three separate accessories. Later full-page open returns an access restriction. No paid test table or bypass is used. This is the standard model box overview, not a claim of a distinct current SKU bundle revision.

Cables included

AEarFun Air Pro 4

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

Source6Reviewkopfhoerer.de/test/earfun-air-pro-4Read 15 October 2026Technical data: one USB-C to USB-A cable. Length is not stated.

Bsoundcore Space A40

Type	Count
USB-A to USB-C	1

Source10Reviewconsumerreports.org/electronics-computers/headphones/soundcore-by-anker-space-a40/m408250Read 8 October 2026The same public box overview names one USB-A to USB-C connector cable. Length is not stated and is not borrowed from another Soundcore model.

Links

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Product page

www.myearfun.com/headphones/earfun-air-pro-4-adaptive-anc-true-wireless-earbuds-black1Maker product pagemyearfun.com/headphones/earfun-air-pro-4-adaptive-anc-true-wireless-earbuds-blackRead 15 October 2026

us.soundcore.com/products/space-a40-a39360111Maker product pageus.soundcore.com/products/space-a40-a3936011.jsRead 8 October 2026

Spec sheet

www.myearfun.com/headphones/earfun-air-pro-4-adaptive-anc-true-wireless-earbuds-black1Maker product pagemyearfun.com/headphones/earfun-air-pro-4-adaptive-anc-true-wireless-earbuds-blackRead 15 October 2026

www.soundcore.com/products/space-a40-a39360112Maker product pagesoundcore.com/products/space-a40-a3936011Read 8 October 2026Current official US full specifications and exact FAQ answers were captured through ordinary public indexed web results. Later full-page requests can redirect by region to Anker Nordics. No access barrier is bypassed. Official direct US native product JSON separately verifies the selected Black sales SKU and availability.

Manual

drive.google.com/file/d/1lB2QD83w071hBAMxW53WrJCoyxdrsUEx/view1Maker product pagemyearfun.com/headphones/earfun-air-pro-4-adaptive-anc-true-wireless-earbuds-blackRead 15 October 2026Public Google Drive link behind the Download button for the user manual. The same file is the manual used for this entry.

salesforce-knowledge-download.s3.us-west-2.amazonaws.com/000009262/en_US/000009262.pdf4Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000009262/en_US/000009262.pdfRead 8 October 2026Original official A3936 User Manual from the current service index. English APP, WEARING, CHARGING, CONTROLS, LDAC and SPECS sections were read. English SPECS page EN 04, PDF page 6, was rendered to verify 16 ohms where text extraction corrupts the font.

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.

1.5years1Maker product pagemyearfun.com/headphones/earfun-air-pro-4-adaptive-anc-true-wireless-earbuds-blackRead 15 October 2026Global store banner and buy box: 18-month warranty. Global store market.

1.5years6Maker product pageservice.soundcore.com/article-description/How-to-Wear-Space-A40-Earbuds-CorrectlyRead 8 October 2026Exact manufacturer Space A40 support article explicitly states an 18-month warranty, converted to 1.5 years. This is separate from statutory consumer rights or a retailer return period.

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