Earbuds / Compare

Beats Solo Buds vs EarFun Air Pro 4

A

Product A: Beats

Solo Buds

74 of 166 known

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B

Product B: EarFun

Air Pro 4

91 of 166 known

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All 166 fields

Every value links to where we found it.

Only differences

ABeats Solo Buds

BEarFun Air Pro 4

General

6 of 8 differ

Series

Solo1Maker product pagebeatsbydre.com/earbuds/solo-budsRead 5 October 2026

Not available

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

MUVW3LL/A, A3150, A3151, A31521Maker product pagebeatsbydre.com/earbuds/solo-budsRead 5 October 202617Owner's manualbeatsbydre.com/content/dam/beats-support/global/product-safety-and-handling/solo-buds/solobuds-sh-zm.pdfRead 5 October 2026Original leaflet lists A3150, A3151 and A3152. Reference sales SKU MUVW3LL/A separately proven by maker product structured data.

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.

GTIN / EAN

19594911635319Retailer pagebhphotovideo.com/c/product/1827227-REG/beats_by_dr_dre_muvw3ll_a_true_wireless_earbuds.htmlRead 7 October 2026Exact US Matte Black MUVW3LL/A product overview UPC 195949116353. Other finish and bundle identifiers excluded.

Not available

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

30 April 20243Press releasesilicon.co.uk/press-release/introducing-beats-solo-buds-looks-tiny-sounds-hugeRead 5 October 2026

Not available

Status

Available1Maker product pagebeatsbydre.com/earbuds/solo-budsRead 5 October 2026

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.

PredecessoriThe model this one directly replaced, in the same line, tier and size, as the maker or a trusted review names it.

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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

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Launch price (US)iThe maker's US launch MSRP for the stated configuration, excluding tax. Current store prices and later discounts do not qualify.

$79.993Press releasesilicon.co.uk/press-release/introducing-beats-solo-buds-looks-tiny-sounds-hugeRead 5 October 2026Original Beats April 30, 2024 Business Wire release syndicated in full. Exact Solo Buds section gives 79.99 USD, before local sales tax. Solo 4 headphone price and features are excluded.

$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.

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.

Not available

€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.

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

US1Maker product pagebeatsbydre.com/earbuds/solo-budsRead 5 October 2026

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

ColoursiThe maker's own colour names

Matte Black, Storm Gray, Arctic Purple, Transparent Red, Ivory, Orange3Press releasesilicon.co.uk/press-release/introducing-beats-solo-buds-looks-tiny-sounds-hugeRead 5 October 202618Press articlemacrumors.com/2026/07/02/apple-just-released-a-new-productRead 5 October 2026Later retailer-exclusive Ivory and Orange finishes are explicitly named, alongside original four. Article calls Orange a new colour of the existing Solo Buds, not a hardware generation. Orange also had an earlier regional India finish. No extra product entry or 2026 release date inferred.

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.

Segment

Music1Maker product pagebeatsbydre.com/earbuds/solo-budsRead 5 October 2026

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.

Design

2 of 4 differ

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

In-ear1Maker product pagebeatsbydre.com/earbuds/solo-budsRead 5 October 2026

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.

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

Stemless1Maker product pagebeatsbydre.com/earbuds/solo-budsRead 5 October 2026

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.

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

Either bud5Owner's manualsupport.apple.com/guide/beats/use-beatssolobuds-dev9529a95f9/webRead 5 October 2026Either earbud can manage playback and calls. Current microphone chapter permits always-left/right selection. Not two separate audio sources.8Owner's manualsupport.apple.com/en-euro/guide/beats/dev869599d75/webRead 5 October 2026Solo Buds explicitly included in call-mute settings. Microphone can automatically switch to one earbud or be assigned left/right. This does not establish an in-ear playback sensor.

Not available

RGB lighting

Not available

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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.

ABeats Solo Buds

Type	Count per earbud
Dynamic	1

Source13Review52audio.com/archives/212545.htmlRead 5 October 2026One physical transducer per earbud. A dual-layer diaphragm is one transducer. The explicitly measured approximate 8.15 mm diameter is omitted because there is no measured driver-size field.14Reviewkopfhoerer.de/test/beats-solo-budsRead 5 October 2026The original exact-generation review explicitly states a dynamic transducer. Measured or rounded diameter is not stored as a claimed driver size. Pair-wide counts are not per-earbud counts.

BEarFun 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.

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

Dynamic20Reviewkopfhoerer.de/test/beats-solo-budsRead 7 October 2026Exact original Solo Buds. B&H exact MUVW3LL/A table independently says Driver Type Dynamic. Dual-layer diaphragm not interpreted as two drivers.

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

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

Not available

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

1=CalculatedFrom Drivers per bud

Diaphragm material

Not available

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.

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

Not available

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Impedance

Not available

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SensitivityiPublished acoustic sensitivity. The electrical reference and frequency must be stated in sensitivity_reference or the source note.

Not available

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Sensitivity reference

Not available

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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

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.

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

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.

Adaptive EQiAn inner mic tunes the sound to your ear in real time

No27Reviewtechradar.com/audio/headphones/earbuds-airpods/beats-solo-buds-reviewRead 7 October 2026Exact original 2024 Solo Buds Features section explicitly states no adaptive EQ algorithm. Radio and ordinary sound processing alone do not imply this feature. No later maker adaptive-EQ update found. The same review 17.5 h estimate is extrapolated from 34% consumed over 6 h and is excluded as a full-charge measurement.

Not available

Personalised soundiA profile from a hearing test or ear scan

Not available

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.

Onboard EQ

No15Reviewsoundguys.com/beats-solo-buds-review-118283Read 5 October 2026Exact review says there is no native EQ in app or Apple settings. No adjustable frequency bands stored.

Not available

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

Not available

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.

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

Not available

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.

Volume limit

Not available

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Spatial audio

2 of 2 differ

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

Spatial Audio with Dolby Atmos (static Apple Music playback)10Maker product pagebeatsbydre.com/products/compareRead 5 October 2026Exact maker comparison maps basic Spatial Audio to Solo Buds, separate from dynamic head tracking. Exact original review describes static Dolby Atmos in Apple Music.14Reviewkopfhoerer.de/test/beats-solo-budsRead 5 October 2026Exact review describes Dolby Atmos 3D playback in Apple Music without head tracking. No personalized ear-scan hearing profile inferred.

Not available

Head trackingiSpatial audio changes with head movement. Static spatial processing alone does not qualify. Compatible device or content requirements belong in the source note.

No15Reviewsoundguys.com/beats-solo-buds-review-118283Read 5 October 2026Exact review explicitly excludes head-tracking spatial audio. Static Apple Music Atmos is a separate feature.

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Noise cancelling

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Active noise cancelling

No1Maker product pagebeatsbydre.com/earbuds/solo-budsRead 5 October 2026

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.

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

Not available

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.

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

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.

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

Not available

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.

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

Not available

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.

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

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.

Transparency mode

No15Reviewsoundguys.com/beats-solo-buds-review-118283Read 5 October 2026Exact review explicitly lacks electronic environmental amplification. Passive isolation is not Transparency.

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

Adjustable transparency

Not available

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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

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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

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.

Measured

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

Measured response emphasizes upper mids relative to the reviewer target, with reduced lower mids and high treble.15Reviewsoundguys.com/beats-solo-buds-review-118283Read 5 October 2026Published Solo Buds lab curve and prose relative to reviewer target. No graph points or MDAQS scores converted into numeric dB. Firmware, codec and original fixture unstated.

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.

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

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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

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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

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

Published ideal, office, street, windy and reverberant microphone demos. Review reports voice suppression along with surrounding noise in busy environments.15Reviewsoundguys.com/beats-solo-buds-review-118283Read 5 October 2026Exact ideal, office, street, windy and reverberant demos. Host, firmware and call codec unstated. Noise gate can suppress speech as well as surrounding noise.

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.

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

ABeats Solo Buds

Connection	Latency (ms)
Bluetooth	175

Source22Measurementlesnumeriques.com/intra-ecouteur-true-wireless/beats-solo-buds-p74903/test.htmlRead 7 October 2026Exact original Solo Buds, Arctic Purple. Review test conditions firmware 3A112, native iOS controls and Android Beats app 2.8 (22060). Measurement host, transmitted codec and timing instrument/protocol unstated. No app compensation or game-mode result inferred.

BEarFun Air Pro 4

Not available

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

175ms=CalculatedFrom Latency (measured)

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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

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Battery life (measured)iReviewer-tested operation from one full charge of the earbuds. Excludes case recharges. ANC, codec, connection, volume and tested edition belong in the row or source note.

ABeats Solo Buds

ANC	Hours (h)
No	17.4
No	18.5
No	17
No	17.83
No	12
No	8

Source15Reviewsoundguys.com/beats-solo-buds-review-118283Read 5 October 2026Exact Solo Buds battery paragraph reports 17 hours 24 minutes after July 4, 2024 battery-test update. No ANC hardware. Standard music peaks at 75 dB SPL. Exact host and codec unstated. Setup paragraph names Studio Buds, so its 3A112 firmware does not establish Solo Buds test firmware.16Reviewsoundguys.com/how-we-testRead 5 October 2026Protocol linked from exact review uses music peaking at 75 dB SPL and recorded playback endpoint. Current protocol does not prove original fixture, host, firmware or transmitted codec.22Measurementlesnumeriques.com/intra-ecouteur-true-wireless/beats-solo-buds-p74903/test.htmlRead 7 October 2026Added second row only. Approximately 18 h 30 min timed on exact original Solo Buds Arctic Purple, firmware 3A112. Earbuds-only one-charge duration. No ANC hardware. Volume, host, codec and stop endpoint unstated. Existing SoundGuys 17 h 24 min row and its separate method remain.26Measurementkopfhoerer.de/test/beats-solo-budsRead 7 October 2026Exact original Solo Buds review published 2024-06-26. The Lade-Case section explicitly separates maker 18 h from its own practical 17 h runtime at 75% volume on iOS. Earbuds-only duration, no ANC hardware and no battery in case. Exact host model, codec, firmware, timing protocol and shutdown endpoint unstated. Separate from SoundGuys 17.4 h and LesNumeriques approximately 18.5 h tests.28Measurementfrandroid.com/marques/beats/2072370_test-des-beats-solo-buds-face-aux-airpods-largument-du-prixRead 7 October 2026Exact original Solo Buds test, earbuds-only single charge. 50% volume test fell 10 min short of maker 18 h, stored 17 h 50 min by exact duration conversion. 75% volume lasted approximately 12 h, 100% volume approximately 8 h. The source qualifies the latter figures as about. ANC absent and passive case adds no recharge. Exact tested playback host, codec, firmware and stop endpoint unstated. Do not assign iPhone 15 Pro charging example to playback tests.29Measurementtomsguide.fr/test-des-beats-solo-buds-que-valent-les-premiers-ecouteurs-true-wireless-dapple-a-moins-de-100-eurosRead 7 October 2026Independent original Solo Buds near 18.5 h runtime at two-thirds volume across two listening sessions. This corroborates the numeric 18.5 h row separately from LesNumeriques, whose volume is unknown. Earbuds only, no ANC hardware or case recharge. Codec, firmware and exact playback host unstated. The article also times 32 min to 50% and 80 min to 100% using a MacBook Pro USB-C adapter, but does not explicitly connect an empty/shutdown endpoint, so no measured full-charge scalar is stored.

BEarFun 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.

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

18.5h=CalculatedFrom Battery life (measured)

8.73h=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

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Microphones and calls

5 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.

21Maker product pagebeatsbydre.com/earbuds/solo-budsRead 5 October 2026One custom call microphone per earbud. Two physical call microphones and two total across the pair. No ANC or voice vibration capsule added.2Maker product pagebeatsbydre.com/support/earbuds/solo-budsRead 5 October 2026

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.

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.

21Maker product pagebeatsbydre.com/earbuds/solo-budsRead 5 October 20262Maker product pagebeatsbydre.com/support/earbuds/solo-budsRead 5 October 202613Review52audio.com/archives/212545.htmlRead 5 October 2026Actual single MEMS call microphone in one earbud matches maker one-per-bud statement. No extra inner ANC microphone or case mic inferred.

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.

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.

No19Retailer pagebhphotovideo.com/c/product/1827227-REG/beats_by_dr_dre_muvw3ll_a_true_wireless_earbuds.htmlRead 7 October 2026Exact US MUVW3LL/A lists no physical sensors and separately lists ordinary earpiece microphones. No dedicated bone/jaw conduction voice sensor. Maker call algorithm remains processing, not a sensor.

Not available

Mic noise reduction

Not available

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.

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

Not available

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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.

Yes2Maker product pagebeatsbydre.com/support/earbuds/solo-budsRead 5 October 2026One press mutes or unmutes during calls. Two presses end calls by default. Current guide permits call-action remapping.5Owner's manualsupport.apple.com/guide/beats/use-beatssolobuds-dev9529a95f9/webRead 5 October 20268Owner's manualsupport.apple.com/en-euro/guide/beats/dev869599d75/webRead 5 October 2026Current iPhone/iPad, Mac and Android routes permit one-press or two-press mute, with complementary call-end behavior.

Not available

SidetoneiHear your own voice in calls

Not available

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Connectivity

12 of 18 differ

Chip

MediaTek MT2827SA13Review52audio.com/archives/212545.htmlRead 5 October 2026Exact original Solo Buds teardown identifies MediaTek MT2827SA, Apple-customized audio SoC. Not H1 or H2.

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.

Connections

Bluetooth7Owner's manualsupport.apple.com/en-euro/guide/beats/dev46c519179/webRead 5 October 2026

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

Bluetooth

5.31Maker product pagebeatsbydre.com/earbuds/solo-budsRead 5 October 2026

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.

Bluetooth codecs

SBC, AAC15Reviewsoundguys.com/beats-solo-buds-review-118283Read 5 October 2026

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.

Bluetooth profiles

Not available

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.

LE Audio

No24Reviewlesnumeriques.com/intra-ecouteur-true-wireless/beats-solo-buds-p74903/test.htmlRead 7 October 2026Original 2024 exact Solo Buds review, firmware 3A112 and Android Beats 2.8. Clubic independently states no LE Audio. No later maker LE Audio update found. Bluetooth 5.3 alone is not LE Audio.25Reviewclubic.com/test-produit-531489-test-beats-solo-buds-des-ecouteurs-efficaces-et-abordables-mais-pas-sans-defauts.htmlRead 7 October 2026Exact original model Connectivity paragraph explicitly Pas de LE Audio. No classic codec or radio-version inference.

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.

Auracast

Not available

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.

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

Not available

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.

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

Not available

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.

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

Not available

Automatic switching between own devicesiThrough the maker's account

Not available

Not available

Fast pairing

Apple one-tap setup, Google Fast Pair2Maker product pagebeatsbydre.com/support/earbuds/solo-budsRead 5 October 2026Exact FAQ explicitly names Google Fast Pair for Android and one-touch setup on iPhone. Latest operating-system software and compatible Google Play Services required. Manual Bluetooth is available on older hosts.7Owner's manualsupport.apple.com/en-euro/guide/beats/dev46c519179/webRead 5 October 2026Solo Buds pairing uses either earbud b button inside open case, not a case pairing button. Native Android Fast Pair and Apple connection card are separately documented.

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.

Audio sharingiShare one stream with a second pair

Not available

Not available

Wireless range (claimed)

Not available

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.

Wireless receiveri2.4 GHz dongle

None23Reviewrtings.com/headphones/reviews/beats/solo-buds-true-wirelessRead 7 October 2026No proprietary 2.4 GHz dongle connection. Generic USB Bluetooth adapters are not the dedicated wireless receiver described by this field.

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.

No23Reviewrtings.com/headphones/reviews/beats/solo-buds-true-wirelessRead 7 October 2026Only Bluetooth audio transport is documented, so no simultaneous proprietary 2.4 GHz/Bluetooth transport. Physical Bluetooth operating frequency is not a second 2.4 GHz connection type.

Not available

Latency

3 of 3 differ

Low latency mode

Not available

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.

Claimed latency

ABeats Solo Buds

Not available

BEarFun 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.

Lowest claimed latency

Not available

50ms=CalculatedFrom Claimed latency

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.

iOS, macOS, Android, Windows, Other7Owner's manualsupport.apple.com/en-euro/guide/beats/dev46c519179/webRead 5 October 2026

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.

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.

ABeats Solo Buds

Platform	Connection	Microphone works
iOS	Bluetooth	Yes
macOS	Bluetooth	Yes
Android	Bluetooth	Yes
Windows	Bluetooth	Not available
Other	Bluetooth	Not available

Source7Owner's manualsupport.apple.com/en-euro/guide/beats/dev46c519179/webRead 5 October 2026Exact supported Beats guide includes Solo Buds, Apple iPhone/iPad, Mac, Android and Windows PC pairing. Current microphone chapter proves Apple-host calls. Other means Apple TV Bluetooth audio. No console or PC microphone route inferred. Apple Vision Pro instructions assume a case system button and are not used for Solo Buds.8Owner's manualsupport.apple.com/en-euro/guide/beats/dev869599d75/webRead 5 October 2026

BEarFun 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.

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

ABeats Solo Buds

Feature	Needs
Account pairing	Compatible current Apple device and Apple Account, or compatible current Android device with Google Play Services. Pre-pairing is separate from simultaneous multipoint.
Android Audio Switch	Compatible Android devices running current software with Google Play Services and account setup. Manufacturer describes this separately from Apple automatic routing.
Voice assistant	Button press-and-hold activates Siri or the configured Android assistant. Dedicated Siri chapter requires on-device controls for Solo Buds.
Phone-powered charging	External USB-C cable and iPhone 15 or compatible Android phone, tablet or laptop that can supply USB power. Cable sold separately.
Static Spatial Audio	Compatible Apple Music host, software and Dolby Atmos content. No earbud head tracking inferred.

Source1Maker product pagebeatsbydre.com/earbuds/solo-budsRead 5 October 20263Press releasesilicon.co.uk/press-release/introducing-beats-solo-buds-looks-tiny-sounds-hugeRead 5 October 20266Owner's manualsupport.apple.com/en-euro/guide/beats/devc97d4f096/webRead 5 October 202610Maker product pagebeatsbydre.com/products/compareRead 5 October 2026Native maker compare data explicitly maps Android Audio Switch to product id earbuds-solo-buds. Current Android software with Google Play Services required. Apple automatic-switching guide excludes Solo Buds, so this field is Android ecosystem support, not generic multipoint or Apple automatic routing. This is Google Android Audio Switch. The standalone automatic_device_switching field is omitted because its help requires the maker's account.

BEarFun 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.

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.

105mAh13Review52audio.com/archives/212545.htmlRead 5 October 2026Actual steel earbud cell rated 105 mAh and 0.403 Wh. Printed rated capacity, not a conversion from energy or charging current. Case has no battery cell.

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.

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.

ABeats Solo Buds

Mode	Includes case recharges	Hours (h)
ANC off	No	18

Source1Maker product pagebeatsbydre.com/earbuds/solo-budsRead 5 October 202618 hours is one charge of the earbuds. Case has no recharge battery and must connect to USB-C power to charge them. No case-inclusive row or case-cell capacity is invented. April 2024 preproduction test with iPhone 15 Pro at 50 percent volume ends at first earbud stopping. AAC playlist encoding does not prove transmitted codec.2Maker product pagebeatsbydre.com/support/earbuds/solo-budsRead 5 October 20263Press releasesilicon.co.uk/press-release/introducing-beats-solo-buds-looks-tiny-sounds-hugeRead 5 October 2026Original footnotes 1 and 6 corroborate exact earbud-only and drained-earbud quick-charge tests. No case recharges, measured result or Bluetooth codec inferred.

BEarFun 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.

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.

18h=CalculatedFrom Claimed battery life

11h=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

7.5h=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.

18h=CalculatedFrom Claimed battery life

11h=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.

Not available

52h=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

35h=CalculatedFrom Claimed battery life

Talk time (claimed)

Not available

Not available

Full charge time, budsiTime to charge discharged earbuds to full in the case. Excludes charging the case itself or a combined buds-and-case result.

Not available

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.

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.

Not available

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.

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

5min1Maker product pagebeatsbydre.com/earbuds/solo-budsRead 5 October 20263Press releasesilicon.co.uk/press-release/introducing-beats-solo-buds-looks-tiny-sounds-hugeRead 5 October 2026

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.

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.

1h1Maker product pagebeatsbydre.com/earbuds/solo-budsRead 5 October 2026Drained earbuds charged for five minutes through the externally powered case, then played until the first bud stopped. Same April 2024 iPhone 15 Pro and 50 percent volume conditions. Shared footnote wording mentions ANC/Transparency off, but this model lacks both modes.3Press releasesilicon.co.uk/press-release/introducing-beats-solo-buds-looks-tiny-sounds-hugeRead 5 October 2026

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.

Charging case

5 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.

Not available

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.

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 pagebeatsbydre.com/earbuds/solo-budsRead 5 October 20262Maker product pagebeatsbydre.com/support/earbuds/solo-budsRead 5 October 202617Owner's manualbeatsbydre.com/content/dam/beats-support/global/product-safety-and-handling/solo-buds/solobuds-sh-zm.pdfRead 5 October 2026Original Charging section seats earbuds in case and connects USB-C external power. No wired music playback or wireless charging inferred.

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.

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.

Not available

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.

Wireless charging

No15Reviewsoundguys.com/beats-solo-buds-review-118283Read 5 October 2026

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

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

Not available

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

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

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.

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

4 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.

Button, Voice commands1Maker product pagebeatsbydre.com/earbuds/solo-budsRead 5 October 20265Owner's manualsupport.apple.com/guide/beats/use-beatssolobuds-dev9529a95f9/webRead 5 October 2026

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

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

Buttons1Maker product pagebeatsbydre.com/earbuds/solo-budsRead 5 October 20263Press releasesilicon.co.uk/press-release/introducing-beats-solo-buds-looks-tiny-sounds-hugeRead 5 October 2026Original Solo Buds paragraph explicitly remaps press-and-hold to volume in iOS settings or Beats app. No touch surface or separate volume rocker.

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.

Gestures

Single, double and triple press, Press and hold5Owner's manualsupport.apple.com/guide/beats/use-beatssolobuds-dev9529a95f9/webRead 5 October 2026

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.

Remappable controls

Yes1Maker product pagebeatsbydre.com/earbuds/solo-budsRead 5 October 20263Press releasesilicon.co.uk/press-release/introducing-beats-solo-buds-looks-tiny-sounds-hugeRead 5 October 20265Owner's manualsupport.apple.com/guide/beats/use-beatssolobuds-dev9529a95f9/webRead 5 October 20268Owner's manualsupport.apple.com/en-euro/guide/beats/dev869599d75/webRead 5 October 2026

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.

Voice assistant

Siri, Default Android voice assistant2Maker product pagebeatsbydre.com/support/earbuds/solo-budsRead 5 October 2026Press-and-hold b button activates the configured iOS or Android voice assistant. No hands-free Siri activation inherited.5Owner's manualsupport.apple.com/guide/beats/use-beatssolobuds-dev9529a95f9/webRead 5 October 2026Exact chapter includes generic Hey Siri wording that conflicts with the dedicated Siri chapter explicitly requiring button controls on Solo Buds. Button activation is retained, without a hands-free keyword claim.6Owner's manualsupport.apple.com/en-euro/guide/beats/devc97d4f096/webRead 5 October 2026Dedicated current maker Siri chapter explicitly names Solo Buds among products that require on-device controls. This specific restriction takes priority over generic wording in the Solo Buds chapter. Region, language and connected-host requirements apply.

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.

Sensors and health

3 of 9 differ

In-ear detection

No14Reviewkopfhoerer.de/test/beats-solo-budsRead 5 October 2026Exact review explicitly no auto-pause. Physical button controls do not provide a wear-detection sensor.

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.

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.

No19Retailer pagebhphotovideo.com/c/product/1827227-REG/beats_by_dr_dre_muvw3ll_a_true_wireless_earbuds.htmlRead 7 October 2026Exact US MUVW3LL/A headphone sensor inventory explicitly none. No skin-temperature sensor claim. Generic internal electronics thermal protection is not a skin sensor.

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

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.

Hearing protectioniLimits sudden loud sounds

Not available

Not available

Health features

Not available

Not available

Fit and durability

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

XS, S, M, L1Maker product pagebeatsbydre.com/earbuds/solo-budsRead 5 October 2026

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.

Ear tip materials

Silicone14Reviewkopfhoerer.de/test/beats-solo-budsRead 5 October 2026

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

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

Not available

Not available

Ear tip fit test

Not available

Not available

Dust and water rating, buds

Not available

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

Dust and water rating, case

Not available

Not available

Water resistance depth

Not available

Not available

Software

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Companion app

Beats2Maker product pagebeatsbydre.com/support/earbuds/solo-budsRead 5 October 2026

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

App platforms

Android2Maker product pagebeatsbydre.com/support/earbuds/solo-budsRead 5 October 2026Beats app Android 2.9 or later described by exact support page. Apple controls are native device settings, not a separate iOS app.

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.

User firmware updates

Yes9Owner's manualsupport.apple.com/guide/beats/update-beats-dev3381eab1b/webRead 5 October 2026Current guide explicitly includes Solo Buds. Apple firmware delivered automatically near connected compatible host. Android updates through Beats app. No future feature or support-end date promised.

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.

Finding network

Last location in the app11Owner's manualsupport.apple.com/guide/beats/locate-your-beats-using-your-apple-device-devfa3444893/webRead 5 October 2026Current maker guide describes last connected location and reserves offline Find My network features for Beats 360. Solo Buds does not inherit a crowd network or UWB case finding.12Owner's manualsupport.apple.com/en-euro/guide/beats/devb4dda1f02/webRead 5 October 2026Beats app records Android host location when connecting or disconnecting. Supported Google Find My Device route likewise shows last connected location. Its app name does not prove offline Find Hub crowd-network support.

Not available

Precision findingiUWB in the case

Not available

Not available

Live translation

Not available

Not available

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.

5.7g(0.2 oz)1Maker product pagebeatsbydre.com/earbuds/solo-budsRead 5 October 2026

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.

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

Width18.5Height19mm(0.7 × 0.7 in)21Maker product pagebeatsbydre.com/earbuds/solo-budsRead 7 October 2026Bud Specs explicitly Width 1.85 cm and Height 1.9 cm, converted exactly to 18.5 mm and 19 mm. Only maker-labelled width and height are retained. Length 2.05 cm is not mapped to Depth.

Not available

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

22g(0.8 oz)1Maker product pagebeatsbydre.com/earbuds/solo-budsRead 5 October 2026

Not available

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

Width35Height24mm(1.4 × 0.9 in)21Maker product pagebeatsbydre.com/earbuds/solo-budsRead 7 October 2026Case Specs explicitly Width 3.5 cm and Height 2.4 cm, converted exactly to 35 mm and 24 mm. Length 6.6 cm is not mapped to Depth. No axis reordering by appearance.

Not available

Certifications

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

Not available

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.

Communication certifications

Not available

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FCC IDs

BCGA3150, BCGA3151, BCGA315217Owner's manualbeatsbydre.com/content/dam/beats-support/global/product-safety-and-handling/solo-buds/solobuds-sh-zm.pdfRead 5 October 2026Original maker ZM034-06154-B, 24-page PDF. English pages 1 to 4 read and page 3 visually inspected. It explicitly prints BCGA3150, BCGA3151 and BCGA3152 without hyphens. All three retained, without guessing radio roles from case battery absence.

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.

Other certifications

EU RED 2014/53/EU, UK Radio Equipment Regulations 2017, ISED Canada IC 579C-A3150, ISED Canada IC 579C-A3151, ISED Canada IC 579C-A3152, India RoHS under E-Waste (Management) Rules, 201630Maker spec sheet (PDF)beatsbydre.com/content/dam/beats-support/global/product-safety-and-handling/solo-buds/solobuds-sh-zm.pdfRead 7 October 2026Original Solo Buds safety leaflet, model A3150/A3151/A3152. English page 3 EU/UK Compliance declares Directive 2014/53/EU and Radio Equipment Regulations 2017. Same page lists ISED Canada IC 579C-A3150, 579C-A3151, 579C-A3152 beside exact hardware identifiers. English page 2 India Declaration of Conformance explicitly states RoHS under E-Waste (Management) Rules 2016. Maker regulatory declarations and registrations, not an independent audio-quality certification or sales-market expansion.

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

In the box

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In the box

Beats Solo Buds earbuds, Carrying case, Ear tips in XS, S, M and L, Warranty card1Maker product pagebeatsbydre.com/earbuds/solo-budsRead 5 October 2026Maker complete list. Medium tips attached. USB-C cable and power adapter are sold separately. No cable count or length stored.2Maker product pagebeatsbydre.com/support/earbuds/solo-budsRead 5 October 2026

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.

Cables included

ABeats Solo Buds

Not available

BEarFun 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.

Links

Not compared

Product page

www.beatsbydre.com/earbuds/solo-buds1Maker product pagebeatsbydre.com/earbuds/solo-budsRead 5 October 2026

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

Spec sheet

www.beatsbydre.com/earbuds/solo-buds1Maker product pagebeatsbydre.com/earbuds/solo-budsRead 5 October 2026Exact 2024 Solo Buds current technical specification and native April 2024 test footnotes read. US Matte Black reference MUVW3LL/A in structured data. No standalone maker PDF datasheet found. Published Length does not establish Depth. Explicit Width and Height are now retained as partial objects.

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

Manual

support.apple.com/guide/beats/use-beatssolobuds-dev9529a95f9/web5Owner's manualsupport.apple.com/guide/beats/use-beatssolobuds-dev9529a95f9/webRead 5 October 2026Current exact Solo Buds chapter and linked pairing, charging, microphone, switching, Siri and finding chapters read. Original 24-page maker safety leaflet independently downloaded and English pages read. No standalone original Quick Start Guide found.

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.

EPREL registration numberiId in the EU energy label database. Each size or model of a series has its own id, so it is per variant.

Not available

Not available

Warranty

1 of 1 differ

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

1year17Owner's manualbeatsbydre.com/content/dam/beats-support/global/product-safety-and-handling/solo-buds/solobuds-sh-zm.pdfRead 5 October 2026Original English page 4 gives one-year Apple limited hardware warranty. Statutory rights and optional extended coverage are separate.

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.

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