Earbuds / Compare

CMF Buds 2 Plus vs EarFun Air Pro 4+

A

Product A: CMF

Buds 2 Plus

88 of 166 known

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B

Product B: EarFun

Air Pro 4+

93 of 166 known

Change EarFun Air Pro 4+

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All 166 fields

Every value links to where we found it.

Only differences

ACMF Buds 2 Plus

BEarFun Air Pro 4+

General

2 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.

B1842Owner's manualdrv.dns-shop.ru/drivers/Manuals/C/cmf-by-nothing-buds-2-plus_instrukcia_165853_12112025.pdfRead 8 October 2026

TW7002Owner's manualdrive.google.com/file/d/1PFgEg6QfuDA3qYKMp8ClLs5IbhhSs6Oj/viewRead 8 October 2026

GTIN / EAN

Not available

Not available

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

Not available

Not available

Status

Available1Maker product pageus.nothing.tech/products/cmf-buds-2-plusRead 8 October 2026

Available1Maker product pagemyearfun.com/headphones/earfun-air-pro-4-plus-hi-res-adaptive-anc-true-wireless-earbuds-blackRead 8 October 2026

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

Not available

EarFun Air Pro 46Reviewtomsguide.com/audio/earbuds/earfun-air-pro-4-plus-reviewRead 8 October 2026Tom's Guide's review calls the EarFun Air Pro 4 the previous version of the Air Pro 4+.15Reviewm.gsmarena.com/earfun_air_pro_4_review-amp-71154.phpRead 23 October 2026GSMArena's review calls the Air Pro 4 the previous model of the Air Pro 4+.

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.

Not available

Not available

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

Not available

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

US1Maker product pageus.nothing.tech/products/cmf-buds-2-plusRead 8 October 2026

Not available

ColoursiThe maker's own colour names

Light Grey1Maker product pageus.nothing.tech/products/cmf-buds-2-plusRead 8 October 2026

Black1Maker product pagemyearfun.com/headphones/earfun-air-pro-4-plus-hi-res-adaptive-anc-true-wireless-earbuds-blackRead 8 October 2026

Segment

Music1Maker product pageus.nothing.tech/products/cmf-buds-2-plusRead 8 October 2026

Music1Maker product pagemyearfun.com/headphones/earfun-air-pro-4-plus-hi-res-adaptive-anc-true-wireless-earbuds-blackRead 8 October 2026

Design

1 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 pageus.nothing.tech/products/cmf-buds-2-plusRead 8 October 2026

In-ear1Maker product pagemyearfun.com/headphones/earfun-air-pro-4-plus-hi-res-adaptive-anc-true-wireless-earbuds-blackRead 8 October 2026

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

Stem1Maker product pageus.nothing.tech/products/cmf-buds-2-plusRead 8 October 2026

Stem1Maker product pagemyearfun.com/headphones/earfun-air-pro-4-plus-hi-res-adaptive-anc-true-wireless-earbuds-blackRead 8 October 2026

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

Either bud8Measurementsoundguys.com/cmf-buds-2-plus-review-137469Read 8 October 2026

Not available

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.

ACMF Buds 2 Plus

Type	Diameter (mm)	Count per earbud
Dynamic	12	1

Source1Maker product pageus.nothing.tech/products/cmf-buds-2-plusRead 8 October 2026One custom 12 mm dynamic audio driver per bud. An acoustic role is not explicitly published.

BEarFun Air Pro 4+

Type	Diameter (mm)	Count per earbud
Dynamic	10	1
Balanced armature	Not available	1

Source1Maker product pagemyearfun.com/headphones/earfun-air-pro-4-plus-hi-res-adaptive-anc-true-wireless-earbuds-blackRead 8 October 2026Maker hybrid 10 mm composite dynamic plus FeatherBA balanced armature, one of each per earbud. BA diameter and composite diaphragm ingredients are not published. Acoustic crossover roles are not inferred.

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

Dynamic1Maker product pageus.nothing.tech/products/cmf-buds-2-plusRead 8 October 2026

Hybrid1Maker product pagemyearfun.com/headphones/earfun-air-pro-4-plus-hi-res-adaptive-anc-true-wireless-earbuds-blackRead 8 October 2026

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

12mm=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

2=CalculatedFrom Drivers per bud

Diaphragm material

LCP (Liquid Crystal Polymer) + PU (Polyurethane)1Maker product pageus.nothing.tech/products/cmf-buds-2-plusRead 8 October 2026

Not available

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

Not available

Not available

Impedance

Not available

Not available

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

Not available

Not available

Sensitivity reference

Not available

Not available

Max sample rateiHighest supported audio sample rate under the codec and source-device conditions in the source note. This does not establish lossless playback.

Not available

96kHz4Press releasemyearfun.com/jp/press-release/the-high-resolution-true-wireless-earphones-earfun-air-pro-4-feature-hybrid-drivers-with-carefully-selected-placement-angles-powerful-anc-and-high-quality-sound-codecsRead 8 October 2026Exact Air Pro 4+ technical release explicitly supports LDAC maximum 96 kHz / 24-bit. The same global TW700 manual and global page support LDAC. Separate aptX Lossless CD-quality 44.1 kHz / 16-bit support is not 96 kHz lossless.

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

24bits4Press releasemyearfun.com/jp/press-release/the-high-resolution-true-wireless-earphones-earfun-air-pro-4-feature-hybrid-drivers-with-carefully-selected-placement-angles-powerful-anc-and-high-quality-sound-codecsRead 8 October 2026LDAC compatible-host claim, not an inferred Bluetooth 6.0 capability.

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 pageus.nothing.tech/products/cmf-buds-2-plusRead 8 October 2026

Yes5Measurementsoundguys.com/earfun-air-pro-4-plus-review-147238Read 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.

38Measurementsoundguys.com/cmf-buds-2-plus-review-137469Read 8 October 2026

105Measurementsoundguys.com/earfun-air-pro-4-plus-review-147238Read 8 October 2026

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

Pop, Rock, Classical, Electronic, Enhance Vocals4Maker product pagesupport.nothing.tech/hc/en-us/sections/33423732158481-Product-FeatureRead 8 October 2026Five named sound presets, plus a separate Custom option. ANC modes and Ultra Bass levels are not EQ presets.

Bass Boost 3, Bass Reducer 3, Treble Boost 3, Treble Reducer 35Measurementsoundguys.com/earfun-air-pro-4-plus-review-147238Read 8 October 2026Four explicitly named measured preset examples, not asserted to be the complete preset inventory.

Volume limit

Not available

Not available

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 Effect1Maker product pageus.nothing.tech/products/cmf-buds-2-plusRead 8 October 2026Maker HRTF-based Spatial Audio Effect. This is separate from documented head tracking, which the exact review excludes.

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.

No9Reviewgsmarena.com/nothing_cmf_buds_2_plus_review-news-67953.phpRead 8 October 2026Exact model review explicitly excludes head tracking. Static Spatial Audio Effect remains supported.

Not available

Noise cancelling

2 of 11 differ

Active noise cancelling

Yes1Maker product pageus.nothing.tech/products/cmf-buds-2-plusRead 8 October 2026

Yes1Maker product pagemyearfun.com/headphones/earfun-air-pro-4-plus-hi-res-adaptive-anc-true-wireless-earbuds-blackRead 8 October 2026

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

Hybrid1Maker product pageus.nothing.tech/products/cmf-buds-2-plusRead 8 October 2026

Hybrid1Maker product pagemyearfun.com/headphones/earfun-air-pro-4-plus-hi-res-adaptive-anc-true-wireless-earbuds-blackRead 8 October 2026QuietSmart 3.0 adaptive hybrid ANC. The maker Japanese technical release separately confirms feed-forward and feed-back architecture. The six-microphone array is not treated as six dedicated ANC 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

Not available

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

Yes1Maker product pageus.nothing.tech/products/cmf-buds-2-plusRead 8 October 2026Environmental Adaptive ANC and Smart Adaptive mode. Leakage compensation has the stated wearing and High-mode requirements. Adaptive control is distinct from hybrid microphone placement.

Yes1Maker product pagemyearfun.com/headphones/earfun-air-pro-4-plus-hi-res-adaptive-anc-true-wireless-earbuds-blackRead 8 October 2026Current global page says real-time adaptation every 0.3 seconds. The JP release says over 400 detections per second for another internal process. Neither figure is stored as an interchangeable universal refresh rate.

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

38Measurementsoundguys.com/cmf-buds-2-plus-review-137469Read 8 October 2026

412Reviewkopfhoerer.de/test/earfun-air-pro-4-plusRead 8 October 2026Exact Air Pro 4+ review explicitly identifies four manual intensity levels. The four named ANC operating profiles are separate and are not counted as strength levels. Firmware and app revision are not supplied.

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 pageus.nothing.tech/products/cmf-buds-2-plusRead 8 October 2026Theoretical maximum up to 50 dB from Nothing laboratory. The separate 5400 Hz figure is cancellation bandwidth, not acoustic frequency response.

50dB1Maker product pagemyearfun.com/headphones/earfun-air-pro-4-plus-hi-res-adaptive-anc-true-wireless-earbuds-blackRead 8 October 2026Up to 50 dB maker maximum claim, not reviewer-measured overall attenuation. The 4000 Hz cancellation range is not acoustic frequency response.

Transparency mode

Yes1Maker product pageus.nothing.tech/products/cmf-buds-2-plusRead 8 October 2026

Yes1Maker product pagemyearfun.com/headphones/earfun-air-pro-4-plus-hi-res-adaptive-anc-true-wireless-earbuds-blackRead 8 October 2026

Adjustable transparency

Not available

Yes5Measurementsoundguys.com/earfun-air-pro-4-plus-review-147238Read 8 October 2026Two named selectable ambient sound modes, Default and Natural. This is not an inferred continuously adjustable ambient gain slider.

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 pageus.nothing.tech/products/cmf-buds-2-plusRead 8 October 2026Wind Noise Reduction 3.0 improves microphone call clarity. It is not asserted to be a separate adjustable playback ANC wind mode.

Yes5Measurementsoundguys.com/earfun-air-pro-4-plus-review-147238Read 8 October 2026Exact review observes a Wind Noise Cancelling playback mode. Current maker separately claims call wind suppression.

Measured

8 of 23 differ

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

Default Pop EQ has elevated bass relative to the SoundGuys target. Most mids and treble track that target, with minor peaks and dips.8Measurementsoundguys.com/cmf-buds-2-plus-review-137469Read 8 October 2026Default Pop EQ, SoundGuys target, firmware 1.0.1.36. Approximate graph descriptions are not converted into a single standardized bass or treble amount. MDAQS scores are not THD or target deviation.

SoundGuys default response closely follows its Headphone Preference Curve, with treble peaks around 7 kHz and above 10 kHz and a dip near 10 kHz.5Measurementsoundguys.com/earfun-air-pro-4-plus-review-147238Read 8 October 2026Default SoundGuys lab response against its named target. Firmware and codec are unstated. This review reports similar ANC-on/off response, while ReganCipher reports a notable shift with ANC on. No universal mode-independent response is asserted.

Bass amount (measured)iDeviation from the review source target in the bass range. Positive means more bass. Target, test method and settings belong in the source note.

Not available

Not available

Treble amount (measured)iDeviation from the review source target in the treble range. Positive means more treble. Values from different targets may not be directly comparable.

Not available

Not available

Deviation from target (measured)iMeasured by a reviewer, not claimed by the maker

Not available

Not available

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

Not available

Not available

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

Not available

Not available

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

Not available

Not available

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

Not available

Not available

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

Not available

Not available

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

Not available

Not available

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

SoundGuys samples preserve intelligible speech on busy streets and in wind. Indoor background suppression is less effective.8Measurementsoundguys.com/cmf-buds-2-plus-review-137469Read 8 October 2026Published ideal, office, street, wind and reverberant microphone demonstrations. Firmware 1.0.1.36. These are reviewer observations, not maker call-noise claims.

SoundGuys microphone demonstrations preserve intelligible speech in office and street noise, but have difficulty suppressing simulated wind.5Measurementsoundguys.com/earfun-air-pro-4-plus-review-147238Read 8 October 2026Published ideal, office, street, wind and reverberant microphone demonstrations. Other reviewers use different methods and reach different impressions.

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

Not available

Not available

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

Not available

Not available

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

Not available

Not available

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

ACMF Buds 2 Plus

Not available

BEarFun Air Pro 4+

Connection	Low latency mode	Latency (ms)
Bluetooth	No	234
Bluetooth	Yes	113

Source7Measurementregancipher.com/reviews/2025/11/earfun-air-pro-4-plus-reviewRead 8 October 2026Exact Air Pro 4+ review, reference RC186. Reviewer measured normal mode 234 ms and Game Mode 113 ms. Host platform, codec, firmware and measurement apparatus are not reported in the article, so no platform or codec is invented. These are source-specific observations, not maker 50 ms equivalence.

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

Not available

234ms=CalculatedFrom Latency (measured)

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

Not available

Not available

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

Not available

113ms=CalculatedFrom Latency (measured)

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.

ACMF Buds 2 Plus

ANC	Codec	Hours (h)
No	Not available	10.37
No	AAC	14.38
No	LDAC	8.57

Source8Measurementsoundguys.com/cmf-buds-2-plus-review-137469Read 8 October 2026Light Grey review sample supplied by Nothing. Five days of testing, firmware 1.0.1.36. One charge lasts 10 h 22 min with ANC off. Codec, numeric level and host are not reported in the product review. The around-60-hour case line is not an explicitly separate measured total and is excluded.10Measurementgsmarena.com/nothing_cmf_buds_2_plus_review-news-67953.phpRead 8 October 2026Exact light-grey Buds 2 Plus review states 14 h 23 min AAC and 8 h 34 min LDAC in its ANC-disabled battery section. Firmware, test volume and exact playback host are unstated. Audio testing uses Pop with Ultra Bass disabled, while whether every audio setting carries into battery testing is unreported. Quick-charge tests are separate and not full-charge runtimes.

BEarFun Air Pro 4+

ANC	Hours (h)
Yes	6.28

Source5Measurementsoundguys.com/earfun-air-pro-4-plus-review-147238Read 8 October 2026One charge with ANC enabled lasted 6 h 17 min. Two-week manufacturer-supplied sample, expedited paid collaboration disclosed with editorial independence. Firmware, codec, host and numeric test level are not supplied in this exact review and remain unknown. It 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.

14.38h=CalculatedFrom Battery life (measured)

6.28h=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

Not available

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

4.54g(0.2 oz)11Measurementtechgearlab.com/reviews/audio/wireless-earbuds/cmf-buds-2-plusRead 8 October 2026Exact-model comparison table gives measured mass 4.54 g for one bud. Tip size and instrument are not specified.

5g(0.2 oz)5Measurementsoundguys.com/earfun-air-pro-4-plus-review-147238Read 8 October 2026Reviewer explicitly measured 5 g each on a scale. Precision, tip size and instrument are unstated. Global maker 54 g is total product mass and is not stored as empty-case mass.

Microphones and calls

1 of 7 differ

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

61Maker product pageus.nothing.tech/products/cmf-buds-2-plusRead 8 October 2026Three HD microphones per bud, six across the pair, used by Clear Voice Technology 3.0 for voice recording and calls.

61Maker product pagemyearfun.com/headphones/earfun-air-pro-4-plus-hi-res-adaptive-anc-true-wireless-earbuds-blackRead 8 October 2026Maker AI Clear Call six-microphone system across the pair, cVc 8.0. The JP technical release explicitly states three per earbud.

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 pageus.nothing.tech/products/cmf-buds-2-plusRead 8 October 2026Maker lists six physical microphones across both earbuds. ANC-specific physical count is not separately published.

61Maker product pagemyearfun.com/headphones/earfun-air-pro-4-plus-hi-res-adaptive-anc-true-wireless-earbuds-blackRead 8 October 2026Six physical microphones in both buds. ANC-specific count and shared roles are not separately established.

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 pageus.nothing.tech/products/cmf-buds-2-plusRead 8 October 2026

AI1Maker product pagemyearfun.com/headphones/earfun-air-pro-4-plus-hi-res-adaptive-anc-true-wireless-earbuds-blackRead 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

Yes7Measurementregancipher.com/reviews/2025/11/earfun-air-pro-4-plus-reviewRead 8 October 2026Exact review explicitly observes assignable mute-call functionality in control customization. Physical dedicated button is not implied by the schema control field.

SidetoneiHear your own voice in calls

Not available

Not available

Connectivity

11 of 18 differ

Chip

Not available

Qualcomm QCC30911Maker product pagemyearfun.com/headphones/earfun-air-pro-4-plus-hi-res-adaptive-anc-true-wireless-earbuds-blackRead 8 October 2026

Connections

Bluetooth1Maker product pageus.nothing.tech/products/cmf-buds-2-plusRead 8 October 2026

Bluetooth1Maker product pagemyearfun.com/headphones/earfun-air-pro-4-plus-hi-res-adaptive-anc-true-wireless-earbuds-blackRead 8 October 2026

Bluetooth

5.41Maker product pageus.nothing.tech/products/cmf-buds-2-plusRead 8 October 2026

6.01Maker product pagemyearfun.com/headphones/earfun-air-pro-4-plus-hi-res-adaptive-anc-true-wireless-earbuds-blackRead 8 October 2026

Bluetooth codecs

AAC, SBC, LDAC1Maker product pageus.nothing.tech/products/cmf-buds-2-plusRead 8 October 2026

aptX Lossless, aptX Adaptive, LDAC, LC3, SBC, AAC1Maker product pagemyearfun.com/headphones/earfun-air-pro-4-plus-hi-res-adaptive-anc-true-wireless-earbuds-blackRead 8 October 2026Global spec names aptX Lossless, aptX Adaptive, LDAC and LC3. Auracast in its codec line is a feature, not a codec. SBC is explicitly named in the Hi-Res section. AAC is separately documented by the exact review.8Reviewregancipher.com/reviews/2025/11/earfun-air-pro-4-plus-reviewRead 8 October 2026Exact Air Pro 4+ codec table explicitly lists AAC and SBC as well as the global maker high-resolution and LE codecs. Sibling Air Pro 4 values are not used.

Bluetooth profiles

Not available

A2DP, AVRCP, HFP1Maker product pagemyearfun.com/headphones/earfun-air-pro-4-plus-hi-res-adaptive-anc-true-wireless-earbuds-blackRead 8 October 2026

LE Audio

No5Maker product pagesupport.nothing.tech/hc/en-us/articles/34007442163089-Does-CMF-Buds-2-Plus-support-LE-AudioRead 8 October 2026Exact-model official answer explicitly says no. Bluetooth 5.4 alone is not used to infer LE Audio or Auracast.

Yes4Press releasemyearfun.com/jp/press-release/the-high-resolution-true-wireless-earphones-earfun-air-pro-4-feature-hybrid-drivers-with-carefully-selected-placement-angles-powerful-anc-and-high-quality-sound-codecsRead 8 October 2026Exact maker technical release explicitly names LE Audio and LC3, also consistent with global current LC3 and Auracast specification.

Auracast

Not available

Yes1Maker product pagemyearfun.com/headphones/earfun-air-pro-4-plus-hi-res-adaptive-anc-true-wireless-earbuds-blackRead 8 October 2026

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

Yes1Maker product pageus.nothing.tech/products/cmf-buds-2-plusRead 8 October 2026Maker Dual Connection. Two simultaneous source connections qualify under the catalog definition. A SoundGuys FAQ calls it not true multipoint while also describing simultaneous two-device connections, so its terminology does not change the stored physical connection capability. LDAC coexistence is unproved.

Yes1Maker product pagemyearfun.com/headphones/earfun-air-pro-4-plus-hi-res-adaptive-anc-true-wireless-earbuds-blackRead 8 October 20263Owner's manualdrive.google.com/file/d/1PFgEg6QfuDA3qYKMp8ClLs5IbhhSs6Oj/viewRead 8 October 2026English pages 1-2 explicitly pair and connect two Bluetooth sources simultaneously, with automatic reconnection to both. Pairing memory maximum is not supplied.

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

21Maker product pageus.nothing.tech/products/cmf-buds-2-plusRead 8 October 2026

21Maker product pagemyearfun.com/headphones/earfun-air-pro-4-plus-hi-res-adaptive-anc-true-wireless-earbuds-blackRead 8 October 20263Owner's manualdrive.google.com/file/d/1PFgEg6QfuDA3qYKMp8ClLs5IbhhSs6Oj/viewRead 8 October 2026

Multipoint with LDACiMany buds turn multipoint off on LDAC

Not available

Yes4Press releasemyearfun.com/jp/press-release/the-high-resolution-true-wireless-earphones-earfun-air-pro-4-feature-hybrid-drivers-with-carefully-selected-placement-angles-powerful-anc-and-high-quality-sound-codecsRead 8 October 2026Exact maker technical release explicitly says LDAC can coexist with two-device multipoint. No opposite global restriction was found. JP-only quick-charge and other optional processing claims are not transferred.

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

84Maker product pagesupport.nothing.tech/hc/en-us/sections/33423732158481-Product-FeatureRead 8 October 2026Support explicitly includes CMF Buds 2 series and gives eight remembered device records. Distinct from two concurrent sources.

Not available

Automatic switching between own devicesiThrough the maker's account

Not available

Not available

Fast pairing

Google Fast Pair, Microsoft Swift Pair1Maker product pageus.nothing.tech/products/cmf-buds-2-plusRead 8 October 2026

Google Fast Pair1Maker product pagemyearfun.com/headphones/earfun-air-pro-4-plus-hi-res-adaptive-anc-true-wireless-earbuds-blackRead 8 October 2026

Audio sharingiShare one stream with a second pair

Not available

Not available

Wireless range (claimed)

10m1Maker product pageus.nothing.tech/products/cmf-buds-2-plusRead 8 October 2026

Not available

Wireless receiveri2.4 GHz dongle

Not available

None13Reviewrtings.com/headphones/reviews/earfun/air-pro-4-plusRead 8 October 2026Exact public review explicitly says these earbuds do not have a wireless dongle.

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

2 of 3 differ

Low latency mode

Yes1Maker product pageus.nothing.tech/products/cmf-buds-2-plusRead 8 October 2026

Yes1Maker product pagemyearfun.com/headphones/earfun-air-pro-4-plus-hi-res-adaptive-anc-true-wireless-earbuds-blackRead 8 October 2026

Claimed latency

ACMF Buds 2 Plus

Connection	Mode	Latency (ms)
Bluetooth	Game Mode with a Nothing phone	105

Source1Maker product pageus.nothing.tech/products/cmf-buds-2-plusRead 8 October 2026Current footnote gives as low as 105 ms with a Nothing phone and Game Mode. A technical-table line says less than 110 ms, a compatible broader ceiling. Host model, codec and firmware are not supplied.

BEarFun Air Pro 4+

Connection	Mode	Latency (ms)
Bluetooth	Game Mode	50

Source1Maker product pagemyearfun.com/headphones/earfun-air-pro-4-plus-hi-res-adaptive-anc-true-wireless-earbuds-blackRead 8 October 2026

Lowest claimed latency

105ms=CalculatedFrom Claimed latency

50ms=CalculatedFrom Claimed latency

Compatibility

1 of 4 differ

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

Android, iOS1Maker product pageus.nothing.tech/products/cmf-buds-2-plusRead 8 October 2026

Android, iOS2Owner's manualdrive.google.com/file/d/1PFgEg6QfuDA3qYKMp8ClLs5IbhhSs6Oj/viewRead 8 October 2026

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.

ACMF Buds 2 Plus

Platform	Connection
Android	Bluetooth
iOS	Bluetooth

Source1Maker product pageus.nothing.tech/products/cmf-buds-2-plusRead 8 October 2026

BEarFun Air Pro 4+

Platform	Connection
Android	Bluetooth
iOS	Bluetooth

Source2Owner's manualdrive.google.com/file/d/1PFgEg6QfuDA3qYKMp8ClLs5IbhhSs6Oj/viewRead 8 October 2026

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

ACMF Buds 2 Plus

Feature	Needs
LDAC	Compatible Android device. Enable High-quality audio in Nothing X and LDAC on the phone. Both connected devices must support LDAC.
Custom controls and advanced settings	Nothing OS 1.5.6 or later has integrated settings. Other Android 6.0 or later and iOS 13 or later devices use Nothing X.
105 ms Game Mode	Nothing phone with Game Mode enabled.
Google Fast Pair	Supported Android device with Google Play services 11.7 or later. Android 6.0 or later.
Smart Adaptive ANC leakage compensation	ANC High memory mode, in-ear detection on, no chewing during the first three seconds after insertion and ambient wind no greater than 3 m/s.

Source1Maker product pageus.nothing.tech/products/cmf-buds-2-plusRead 8 October 2026Current footnotes scope the advanced features. Ordinary Bluetooth audio support is broader than these app and codec requirements.

BEarFun Air Pro 4+

Feature	Needs
AI Translation	EarFun Audio app 20.1.36 or later on Android, or 20.5.5 or later on iOS.
LDAC	Compatible Android phone and LDAC enabled in EarFun Audio. iOS does not support LDAC.
aptX Lossless	Compatible Snapdragon Sound source device.
Auracast	Compatible Auracast broadcast source or device.
EarFun Tones voice prompts	EarFun Audio Android 20.1.46 or iOS 20.6.7 and current earbud firmware.

Source1Maker product pagemyearfun.com/headphones/earfun-air-pro-4-plus-hi-res-adaptive-anc-true-wireless-earbuds-blackRead 8 October 2026Current maker app-version footnotes and exact manual LDAC restriction. Generic codec compatibility does not mean every phone supports every advanced mode.3Owner's manualdrive.google.com/file/d/1PFgEg6QfuDA3qYKMp8ClLs5IbhhSs6Oj/viewRead 8 October 2026English page 3 LDAC activation requires Android LDAC support and restarting buds through the app. It explicitly excludes iOS LDAC.

Official licence

Not available

Not available

Battery and charging

9 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.

53mAh1Maker product pageus.nothing.tech/products/cmf-buds-2-plusRead 8 October 2026Single earbud cell capacity. Typical versus rated is unspecified.

54mAh1Maker product pagemyearfun.com/headphones/earfun-air-pro-4-plus-hi-res-adaptive-anc-true-wireless-earbuds-blackRead 8 October 202654 mAh x 2, stored per earbud. Typical versus rated is unspecified.

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.

ACMF Buds 2 Plus

Mode	Codec	Includes case recharges	Hours (h)
ANC off	AAC	No	14
ANC off	AAC	Yes	61.5
ANC on	AAC	No	7.5
ANC on	AAC	Yes	33
Transparency	AAC	No	7.5
Transparency	AAC	Yes	33
ANC off	LDAC	No	8
ANC off	LDAC	Yes	36
ANC on	LDAC	No	5.5
ANC on	LDAC	Yes	25
Transparency	LDAC	No	5.5
Transparency	LDAC	Yes	25
Call	Not available	No	8
Call	Not available	Yes	34
Call	Not available	No	6.5
Call	Not available	Yes	29

Source7Maker product pagesupport.nothing.tech/hc/en-us/articles/34007451479697-What-s-the-battery-life-of-CMF-Buds-2-PlusRead 8 October 2026Maker 25 C laboratory and 50% volume. Codec-specific music rows are explicitly AAC or LDAC. Transparency matches ANC-on figures. Call rows 8/34 hours are ANC off, 6.5/29 are ANC or transparency on. The call table cannot encode ANC so these conditions stay here. Case totals include initial bud charge. General test paragraph mentions AAC and does not provide a separate LDAC host, bitrate or firmware.

BEarFun Air Pro 4+

Mode	Includes case recharges	Hours (h)
ANC off	No	12
ANC off	Yes	54
ANC on	No	8
ANC on	Yes	36

Source1Maker product pagemyearfun.com/headphones/earfun-air-pro-4-plus-hi-res-adaptive-anc-true-wireless-earbuds-blackRead 8 October 2026ANC off 12 hours buds and 54 hours total. ANC on 8 hours buds and 36 hours total. Codec, numeric volume and host are not specified. Totals include initial earbud charge.

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.

14h=CalculatedFrom Claimed battery life

12h=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.

14h=CalculatedFrom Claimed battery life

12h=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.

61.5h=CalculatedFrom Claimed battery life

54h=CalculatedFrom Claimed battery life

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

33h=CalculatedFrom Claimed battery life

36h=CalculatedFrom Claimed battery life

Talk time (claimed)

8h=CalculatedFrom Claimed battery life

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.

60min1Maker product pageus.nothing.tech/products/cmf-buds-2-plusRead 8 October 2026Buds inside an unplugged case take 60 minutes. The 95-minute USB-C result covers combined earbuds and case and is not a case-only charge time.

60min2Owner's manualdrive.google.com/file/d/1PFgEg6QfuDA3qYKMp8ClLs5IbhhSs6Oj/viewRead 8 October 2026English page 5: one hour earbuds via case. The two-hour USB-C and 3.5-hour wireless results explicitly combine earbuds and case. Global webpage labels those case-only, so case_charge_time_min is omitted pending resolution.

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

Not available

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

10min1Maker product pageus.nothing.tech/products/cmf-buds-2-plusRead 8 October 2026

10min1Maker product pagemyearfun.com/headphones/earfun-air-pro-4-plus-hi-res-adaptive-anc-true-wireless-earbuds-blackRead 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.

4.5h1Maker product pageus.nothing.tech/products/cmf-buds-2-plusRead 8 October 2026Earbuds-only 4.5 hours after ten-minute wired charging, AAC, ANC off, 50% volume, default other settings and 25 C. Maker Nothing Power 45 W test adapter. The 8.5-hour headline includes case recharges and is excluded from this field. The separate unplugged-case route claims 2.4 hours buds-only.

2h1Maker product pagemyearfun.com/headphones/earfun-air-pro-4-plus-hi-res-adaptive-anc-true-wireless-earbuds-blackRead 8 October 2026Selected global page comparison row claims two hours from ten minutes. ANC, codec, volume and test host are unstated. JP maker material and older review copy claim three hours, so this value is explicitly limited to the global page claim, not universal across editions.

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.

460mAh1Maker product pageus.nothing.tech/products/cmf-buds-2-plusRead 8 October 2026Case cell capacity. Typical versus rated is unspecified.

600mAh1Maker product pagemyearfun.com/headphones/earfun-air-pro-4-plus-hi-res-adaptive-anc-true-wireless-earbuds-blackRead 8 October 2026600 mAh case cell. Typical versus rated is unspecified.

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 pageus.nothing.tech/products/cmf-buds-2-plusRead 8 October 2026

USB-C1Maker product pagemyearfun.com/headphones/earfun-air-pro-4-plus-hi-res-adaptive-anc-true-wireless-earbuds-blackRead 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.

Not available

Not available

Wireless charging

No6Maker product pagesupport.nothing.tech/hc/en-us/articles/34007451923857-Does-CMF-Buds-2-Pus-support-wireless-chargingRead 8 October 2026

Yes1Maker product pagemyearfun.com/headphones/earfun-air-pro-4-plus-hi-res-adaptive-anc-true-wireless-earbuds-blackRead 8 October 2026Maker explicitly supports wireless charging. Qi compatibility is separately documented by the exact Black review. Primary numerical charging power is unproved.

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

Not available

Qi14Reviewhifioasis.com/reviews/earfun-air-pro-4-plus-reviewRead 8 October 2026Exact Black review repeatedly specifies Qi case charging in its physical description and daily-use battery section. This is secondary compatibility evidence, not a claimed WPC certification-list lookup. Its conflicting 60 mAh battery and 54 g empty-case table are excluded in favor of maker 54 mAh per bud and total product mass.

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

Not available

Not available

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

Not available

Not available

Screen on case

Not available

Not available

Case works as audio transmitteriCase relays external source audio through USB or an analog audio input. A case microphone for recording or calls does not qualify.

Not available

Not available

Controls

1 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.

Touch1Maker product pageus.nothing.tech/products/cmf-buds-2-plusRead 8 October 2026

Touch1Maker product pagemyearfun.com/headphones/earfun-air-pro-4-plus-hi-res-adaptive-anc-true-wireless-earbuds-blackRead 8 October 2026

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

Touch1Maker product pageus.nothing.tech/products/cmf-buds-2-plusRead 8 October 20263Owner's manualdrv.dns-shop.ru/drivers/Manuals/C/cmf-by-nothing-buds-2-plus_instrukcia_165853_12112025.pdfRead 8 October 2026Original guide lists volume up/down among assignable touch functions. The rotating case dial is a lanyard fitting, not a Smart Dial media control.

Touch2Owner's manualdrive.google.com/file/d/1PFgEg6QfuDA3qYKMp8ClLs5IbhhSs6Oj/viewRead 8 October 2026English page 4 assigns right single tap volume up and left single tap volume down. Playback, call and noise-control gestures are separately listed.

Gestures

Double tap, Triple tap, Tap and hold, Double tap and hold1Maker product pageus.nothing.tech/products/cmf-buds-2-plusRead 8 October 2026

Single tap, Double tap, Triple tap, Touch and hold for two seconds2Owner's manualdrive.google.com/file/d/1PFgEg6QfuDA3qYKMp8ClLs5IbhhSs6Oj/viewRead 8 October 2026

Remappable controls

Yes1Maker product pageus.nothing.tech/products/cmf-buds-2-plusRead 8 October 2026

Yes1Maker product pagemyearfun.com/headphones/earfun-air-pro-4-plus-hi-res-adaptive-anc-true-wireless-earbuds-blackRead 8 October 2026

Voice assistant

Connected phone voice assistant2Owner's manualdrv.dns-shop.ru/drivers/Manuals/C/cmf-by-nothing-buds-2-plus_instrukcia_165853_12112025.pdfRead 8 October 2026Original English operation panel lists waking the voice assistant as an assignable function. No particular assistant brand or cloud service is inferred.

Connected phone voice assistant2Owner's manualdrive.google.com/file/d/1PFgEg6QfuDA3qYKMp8ClLs5IbhhSs6Oj/viewRead 8 October 2026English page 4 right hold invokes the connected phone voice assistant. No assistant brand is guaranteed.

Sensors and health

0 of 9 differ

In-ear detection

Yes1Maker product pageus.nothing.tech/products/cmf-buds-2-plusRead 8 October 20263Owner's manualdrv.dns-shop.ru/drivers/Manuals/C/cmf-by-nothing-buds-2-plus_instrukcia_165853_12112025.pdfRead 8 October 2026Original guide pauses when a bud is removed, resumes automatically within three minutes of reinsertion, and otherwise requires manual playback.

Yes1Maker product pagemyearfun.com/headphones/earfun-air-pro-4-plus-hi-res-adaptive-anc-true-wireless-earbuds-blackRead 8 October 20263Owner's manualdrive.google.com/file/d/1PFgEg6QfuDA3qYKMp8ClLs5IbhhSs6Oj/viewRead 8 October 2026Remove to pause, reinsert to resume or answer normal calls. The manual excludes VoIP call auto-answer and permits disabling the feature in EarFun Audio.

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.

Yes1Maker product pageus.nothing.tech/products/cmf-buds-2-plusRead 8 October 2026

Yes5Measurementsoundguys.com/earfun-air-pro-4-plus-review-147238Read 8 October 2026

Hearing protectioniLimits sudden loud sounds

Not available

Not available

Health features

Not available

Not available

Fit and durability

4 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.

S, M, L1Maker product pageus.nothing.tech/products/cmf-buds-2-plusRead 8 October 2026

XS, S, M, L, XL2Owner's manualdrive.google.com/file/d/1PFgEg6QfuDA3qYKMp8ClLs5IbhhSs6Oj/viewRead 8 October 2026English printed page 1 fitting diagram explicitly labels XS, S, M, L and XL. Those sizes are supplied, corroborated by the maker package graphic and exact review. Fitted size is not inferred.5Measurementsoundguys.com/earfun-air-pro-4-plus-review-147238Read 8 October 2026Exact review reports five supplied sizes and four spare pairs. Full size labels come from current maker booklet English page 1.6Reviewtomsguide.com/audio/earbuds/earfun-air-pro-4-plus-reviewRead 8 October 2026Exact model review explicitly identifies five tip sizes and fitting with XS. Standard supplied full size range is corroborated by the package image, not borrowed from Air Pro 4.

Ear tip materials

Silicone4Maker product pagesupport.nothing.tech/hc/en-us/sections/33423732158481-Product-FeatureRead 8 October 2026Exact Buds 2 Plus materials answer identifies silicone ear tips.

Silicone13Reviewrtings.com/headphones/reviews/earfun/air-pro-4-plusRead 8 October 2026Public exact Black review text explicitly identifies included silicone tips. Locked test tables and firmware settings were not bypassed or used.

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

Not available

None5Measurementsoundguys.com/earfun-air-pro-4-plus-review-147238Read 8 October 2026

Ear tip fit test

No11Measurementtechgearlab.com/reviews/audio/wireless-earbuds/cmf-buds-2-plusRead 8 October 2026Exact-model test table explicitly says Ear Fit Test No. Consumer hearing personalization is a different feature. Its 12.8-hour test has unstated ANC/codec in the accessible review and is not imported.

Not available

Dust and water rating, buds

IP551Maker product pageus.nothing.tech/products/cmf-buds-2-plusRead 8 October 2026

IP551Maker product pagemyearfun.com/headphones/earfun-air-pro-4-plus-hi-res-adaptive-anc-true-wireless-earbuds-blackRead 8 October 2026

Dust and water rating, case

IPX21Maker product pageus.nothing.tech/products/cmf-buds-2-plusRead 8 October 2026Technical table explicitly lists IPX2 for the case. This is limited drip resistance. Maker footnote says the case is not rated for waterproofing and support says not designed to be waterproof. No immersion or earbud-equivalent water resistance is implied.

Not available

Water resistance depth

Not available

Not available

Software

2 of 6 differ

Companion app

Nothing X1Maker product pageus.nothing.tech/products/cmf-buds-2-plusRead 8 October 2026

EarFun Audio1Maker product pagemyearfun.com/headphones/earfun-air-pro-4-plus-hi-res-adaptive-anc-true-wireless-earbuds-blackRead 8 October 2026

App platforms

Android, iOS1Maker product pageus.nothing.tech/products/cmf-buds-2-plusRead 8 October 2026

Android, iOS1Maker product pagemyearfun.com/headphones/earfun-air-pro-4-plus-hi-res-adaptive-anc-true-wireless-earbuds-blackRead 8 October 2026

User firmware updates

Yes1Maker product pageus.nothing.tech/products/cmf-buds-2-plusRead 8 October 20263Owner's manualdrv.dns-shop.ru/drivers/Manuals/C/cmf-by-nothing-buds-2-plus_instrukcia_165853_12112025.pdfRead 8 October 2026

Yes1Maker product pagemyearfun.com/headphones/earfun-air-pro-4-plus-hi-res-adaptive-anc-true-wireless-earbuds-blackRead 8 October 2026

Finding network

Not available

Not available

Precision findingiUWB in the case

Not available

Not available

Live translation

Not available

Yes1Maker product pagemyearfun.com/headphones/earfun-air-pro-4-plus-hi-res-adaptive-anc-true-wireless-earbuds-blackRead 8 October 2026Current global maker page explicitly supports AI Translation with app-version requirements. The November 2025 SoundGuys statement that it lacks translation is stale against current maker evidence.

Dimensions and weight

4 of 4 differ

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

4.5g(0.2 oz)1Maker product pageus.nothing.tech/products/cmf-buds-2-plusRead 8 October 2026

Not available

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

Width20.9Height33.6Depth22.7mm(0.8 × 1.3 × 0.9 in)1Maker product pageus.nothing.tech/products/cmf-buds-2-plusRead 8 October 2026Explicit maker width 20.9 mm, height 33.6 mm and depth 22.7 mm. Axes are not inferred from tuple order.

Not available

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

42.5g(1.5 oz)1Maker product pageus.nothing.tech/products/cmf-buds-2-plusRead 8 October 2026Maker distinguishes Case weight 42.5 g from Buds weight 4.5 g. No case-inclusive mass is substituted.

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.

Width53.3Height53.3Depth23mm(2.1 × 2.1 × 0.9 in)1Maker product pageus.nothing.tech/products/cmf-buds-2-plusRead 8 October 2026Explicit maker width 53.3 mm, height 53.3 mm and depth 23 mm, stored as labelled.

Not available

Certifications

2 of 3 differ

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

Hi-Res Audio Wireless1Maker product pageus.nothing.tech/products/cmf-buds-2-plusRead 8 October 2026

Hi-Res Audio Wireless1Maker product pagemyearfun.com/headphones/earfun-air-pro-4-plus-hi-res-adaptive-anc-true-wireless-earbuds-blackRead 8 October 2026Current maker branding specifies Hi-Res Audio Wireless. This does not itself prove lossless 96 kHz transmission.

Communication certifications

Not available

ISED IC 25936-TW700, Japan radio certification 220-JP93132Owner's manualdrive.google.com/file/d/1PFgEg6QfuDA3qYKMp8ClLs5IbhhSs6Oj/viewRead 8 October 2026Original back cover states Canadian IC/HVIN and Japanese radio mark identifiers.

FCC IDs

Not available

2AVIT-TW7002Owner's manualdrive.google.com/file/d/1PFgEg6QfuDA3qYKMp8ClLs5IbhhSs6Oj/viewRead 8 October 2026Original booklet back cover explicitly states model TW700 and FCC ID 2AVIT-TW700. Radio approval is not an acoustic measurement.

Other certifications

EU RoHS, REACH1Maker product pageus.nothing.tech/products/cmf-buds-2-plusRead 8 October 2026Maker footnote expressly states restricted-substance testing including EU RoHS and REACH. No medical clearance or skin-safety certification is inferred.

CE, UKCA, RoHS, PSE2Owner's manualdrive.google.com/file/d/1PFgEg6QfuDA3qYKMp8ClLs5IbhhSs6Oj/viewRead 8 October 2026Original back-cover manufacturer compliance marks, not independent database validation or medical clearance.

In the box

2 of 2 differ

In the box

Pair of earbuds, Charging case, Ear tips (S, M, L, M fitted), User guide, Safety and warranty information1Maker product pageus.nothing.tech/products/cmf-buds-2-plusRead 8 October 2026Maker list excludes a cable and lanyard. It lists S, M and L tips. The original guide confirms M attached.

Pair of earbuds, Charging case, Five pairs of ear tips, USB-A to USB-C charging cable, User manual, Warranty and charging guidance5Measurementsoundguys.com/earfun-air-pro-4-plus-review-147238Read 8 October 2026Maker current IN THE BOX graphic and exact review. No charging pad, receiver, hooks or fins are shown or listed.11Maker product pageoss.myearfun.com/image/f8abb67eb6ddaa264ba6dec84f17d10d.jpgRead 8 October 2026Current exact TW700B package graphic shows pair of earbuds, case, four spare tip pairs, cable, original user manual, warranty and charging guidance. No charging pad or receiver is shown.

Cables included

ACMF Buds 2 Plus

Not available

BEarFun Air Pro 4+

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

Source5Measurementsoundguys.com/earfun-air-pro-4-plus-review-147238Read 8 October 2026Maker package graphic visibly shows one USB-A to USB-C cable. Length unstated.11Maker product pageoss.myearfun.com/image/f8abb67eb6ddaa264ba6dec84f17d10d.jpgRead 8 October 2026Current global product-page IN THE BOX graphic visibly shows one USB-A to USB-C cable. Length unstated.

Links

Not compared

Product page

us.nothing.tech/products/cmf-buds-2-plus1Maker product pageus.nothing.tech/products/cmf-buds-2-plusRead 8 October 2026

www.myearfun.com/headphones/earfun-air-pro-4-plus-hi-res-adaptive-anc-true-wireless-earbuds-black1Maker product pagemyearfun.com/headphones/earfun-air-pro-4-plus-hi-res-adaptive-anc-true-wireless-earbuds-blackRead 8 October 2026

Spec sheet

us.nothing.tech/products/cmf-buds-2-plus1Maker product pageus.nothing.tech/products/cmf-buds-2-plusRead 8 October 2026Current maker product page contains the full Technical Specs table in its public embedded content. Selected reference is US Light Grey. Store identifiers are not assumed to be GTINs.

www.myearfun.com/headphones/earfun-air-pro-4-plus-hi-res-adaptive-anc-true-wireless-earbuds-black1Maker product pagemyearfun.com/headphones/earfun-air-pro-4-plus-hi-res-adaptive-anc-true-wireless-earbuds-blackRead 8 October 2026Selected global Black product page includes the full model specifications. Air Pro 4 TW600 and Air Pro 4i are separate products, not this TW700 reference.

Manual

drv.dns-shop.ru/drivers/Manuals/C/cmf-by-nothing-buds-2-plus_instrukcia_165853_12112025.pdf2Owner's manualdrv.dns-shop.ru/drivers/Manuals/C/cmf-by-nothing-buds-2-plus_instrukcia_165853_12112025.pdfRead 8 October 2026Original multilingual Nothing-authored B184 user guide, one large foldout sheet, English panels read in full. Retailer-hosted copy. Official support documents were sought first. Manualslibraryy mirror was inaccessible.

drive.google.com/file/d/1PFgEg6QfuDA3qYKMp8ClLs5IbhhSs6Oj/view2Owner's manualdrive.google.com/file/d/1PFgEg6QfuDA3qYKMp8ClLs5IbhhSs6Oj/viewRead 8 October 2026Current public maker product-guide link to the original 36-page multilingual TW700 booklet. English pages 1-5 and app page read in full. Link filename is newer than PDF metadata title V4-20260214, so no verified V5 content revision is asserted.

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.

1year13Maker product pageus.nothing.tech/pages/terms-of-salesRead 8 October 2026US direct-store voluntary warranty lists headphones and other electronic devices as twelve months from delivery. Applies to selected US direct-store reference, not a worldwide term.

1.5years10Maker product pagemyearfun.com/warrantyRead 8 October 2026Selected global direct-store quality-defect warranty is eighteen months from purchase. Optional registration extensions and Japan-specific terms are not included in this base value. A generic page banner says Lifetime Warranty, but the specific quality-defect policy and product warranty card explicitly state eighteen months. The specific policy governs this stored value.

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