Earbuds / Compare

CMF Buds Pro 2 vs soundcore P30i

A

Product A: CMF

Buds Pro 2

78 of 166 known

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B

Product B: soundcore

P30i

75 of 166 known

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All 166 fields

Every value links to where we found it.

Only differences

ACMF Buds Pro 2

Bsoundcore P30i

General

3 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.

69744342259301Maker product pagecheckout-us.nothing.tech/products/cmf-buds-pro-2.jsRead 8 October 2026Exact current manufacturer sales SKU is 6974434225930, also its GTIN. The physical revision code is not proven for this sales SKU. Original guide B172, a 2025 declaration B187, and currently linked B195 declarations are not silently mapped to it.9Maker spec sheet (PDF)cdn.shopify.com/s/files/1/0376/5420/0459/files/CMF_Buds_Pro_2_EU_DoC_Multilingual.pdfRead 8 October 2026Current family-linked declaration prints B195, software V1.0.1.33, signed August 17, 2026. Family PSTI likewise prints B195. A 2025 declaration prints B187, while the downloadable user guide prints B172. None supplies an exact bridge to the selected current US sales SKU, so physical model-code mapping and revision-specific certifications remain unknown.

A3959, A3959Z11, A3959Z21, A3959Z31, A3959Z51, A3959Z61, A3959311, A3959321, A3959331, A3959351, A3959361, A3959N11, A3959N21, A3959N31, A3959N51, A3959N611Maker product pageankerjapan.com/products/a3959Read 6 October 2026Product model row: A3959N11 Black, A3959N21 White, A3959N31 Blue, A3959N51 Pink, A3959N61 Green.3Owner's manuallp.ankerjapan.com/hubfs/aoos/manual/A3959QSG.pdfRead 6 October 2026Cover: Model A3959 / A3959L / A3959R.5Maker product pagesoundcore.com/products/soundcore-p30iRead 6 October 2026US SKUs from the store's product data (products/soundcore-p30i.js): A3959Z11 Black, A3959Z21 White, A3959Z31 Sky Blue, A3959Z61 Green, A3959Z51 Pink.6Maker product pageuk.soundcore.com/products/a3959-soundcore-p30iRead 6 October 2026UK SKUs from the store's product data: A3959311 Black, A3959321 White, A3959331 Sky Blue, A3959361 Green, A3959351 Pink. They carry the same barcodes as the US Zxx SKUs, so the GTINs are stored on the US rows only.7Regulatory filingcdn.shopify.com/s/files/1/0917/4807/3750/files/A3959_soundcore_P30i_R50i_EU_Declaration.pdfRead 6 October 2026EU and UK Declaration of Conformity: product names soundcore P30i and soundcore R50i NC, model no. A3959. The R50i NC alias comes from this document.

GTIN / EAN

69744342259301Maker product pagecheckout-us.nothing.tech/products/cmf-buds-pro-2.jsRead 8 October 2026Exact current Dark Grey native barcode 6974434225930. Other colours have separate current barcodes.

194644186333, 194644193515, 194644193508, 194644193492, 194644193485, 4571411218361, 4571411218378, 4571411218385, 4571411218392, 45714112184081Maker product pageankerjapan.com/products/a3959Read 6 October 2026JAN barcodes from the store's product data (products/a3959.js): N11 4571411218361, N21 4571411218378, N31 4571411218385, N51 4571411218392, N61 4571411218408.5Maker product pagesoundcore.com/products/soundcore-p30iRead 6 October 2026US barcodes: Z11 194644186333, Z21 194644193515, Z31 194644193508, Z61 194644193485, Z51 194644193492.

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

Not available

Not available

Status

Available1Maker product pagecheckout-us.nothing.tech/products/cmf-buds-pro-2.jsRead 8 October 2026Native official US product data directly identifies Dark Grey variant 45068151816344 as available true. Stock is a point-in-time observation, not a permanent quantity claim.

Available5Maker product pagesoundcore.com/products/soundcore-p30iRead 6 October 2026US store sells all five colours at 49.99 USD.

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

Not available

Not available

SuccessoriThe model that directly replaced this one, in the same line, tier and size. A revision such as a Slim or OLED model does not count when a next generation exists.

Not available

Not available

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

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 pagecheckout-us.nothing.tech/products/cmf-buds-pro-2.jsRead 8 October 2026

US, GB, SE, JP1Maker product pageankerjapan.com/products/a3959Read 6 October 20265Maker product pagesoundcore.com/products/soundcore-p30iRead 6 October 2026US store.6Maker product pageuk.soundcore.com/products/a3959-soundcore-p30iRead 6 October 2026UK store sells the A3959311 to A3959361 SKUs at 49.99 GBP.8Maker product pageankernordics.com/products/soundcore-p30iRead 6 October 2026Anker Nordics store lists the A3959311, A3959321, A3959331, A3959351 and A3959361 SKUs with prices in SEK.

ColoursiThe maker's own colour names

Orange, Dark Grey, Light Grey, Blue1Maker product pagecheckout-us.nothing.tech/products/cmf-buds-pro-2.jsRead 8 October 2026

Black, White, Sky Blue, Pink, Green, Blue1Maker product pageankerjapan.com/products/a3959Read 6 October 2026Japanese colour names ブラック, ホワイト, ブルー, ピンク, グリーン, translated as Black, White, Blue, Pink, Green.5Maker product pagesoundcore.com/products/soundcore-p30iRead 6 October 20266Maker product pageuk.soundcore.com/products/a3959-soundcore-p30iRead 6 October 2026

Segment

Music2Maker product pageus.nothing.tech/products/cmf-buds-pro-2Read 8 October 2026

Not available

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-ear2Maker product pageus.nothing.tech/products/cmf-buds-pro-2Read 8 October 2026

In-ear4Maker product pageankerjapan.com/blogs/faq/soundcore-p30iRead 6 October 2026FAQ: choose an ear tip size that gives a firm fit and seal (密閉感) in the ear. Silicone-tip style in-ear buds.

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

Stem2Maker product pageus.nothing.tech/products/cmf-buds-pro-2Read 8 October 2026

Stem5Maker product pagesoundcore.com/products/soundcore-p30iRead 6 October 2026Product photos show stem buds.

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

Not available

Either bud4Maker product pageankerjapan.com/blogs/faq/soundcore-p30iRead 6 October 2026FAQ: either the left or the right earbud can be used alone.

RGB lighting

Not available

Not available

Drivers and sound

11 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 Pro 2

Role	Diameter (mm)	Count per earbud
Woofer	11	1
Tweeter	6	1

Source2Maker product pageus.nothing.tech/products/cmf-buds-pro-2Read 8 October 2026Current table names an 11 mm bass driver and 6 mm micro-planar tweeter. Dual-driver acoustics establishes one of each per earbud. The maker does not explicitly name the magnetic architecture or bass transducer technology, so type cells and the aggregate driver_type are left unknown.

Bsoundcore P30i

Type	Diameter (mm)	Count per earbud
Dynamic	10	1

Source1Maker product pageankerjapan.com/products/a3959Read 6 October 2026Specifications: 10 mm dynamic driver.2Owner's manuallp.ankerjapan.com/hubfs/aoos/manual/A3959Manual.pdfRead 6 October 2026Specifications table: driver unit 10 mm.9Review52audio.com/archives/219042.htmlRead 7 October 2026Complete front-cavity teardown shows the single 10 mm dynamic audio transducer, with separate microphone. No microphone counted as audio driver.

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

Not available

Dynamic1Maker product pageankerjapan.com/products/a3959Read 6 October 2026

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

11mm=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.

2=CalculatedFrom Drivers per bud

1=CalculatedFrom Drivers per bud

Diaphragm material

11 mm bass driver: PU + PET, titanium-coated. 6 mm micro-planar tweeter: PET + titanium-coated PET.2Maker product pageus.nothing.tech/products/cmf-buds-pro-2Read 8 October 2026Current Sound table publishes two diaphragm descriptions alongside the two named driver rows. Material text retains their bass/tweeter order and the exact micro-planar description. No original-review driver architecture is imported.

Not available

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

Min20 HzMax40 kHz2Maker product pageus.nothing.tech/products/cmf-buds-pro-2Read 8 October 2026Current maker acoustic comparison explicitly labels Buds Pro 2: 20~40000Hz. This is the earbud frequency range, not inferred from the LDAC sample rate.

Min20 HzMax20 kHz2Owner's manuallp.ankerjapan.com/hubfs/aoos/manual/A3959Manual.pdfRead 6 October 2026Specifications table: 20-20 kHz.

Impedance

Not available

16Ω2Owner's manuallp.ankerjapan.com/hubfs/aoos/manual/A3959Manual.pdfRead 6 October 2026Specifications table: 16 ohms.

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.

96kHz2Maker product pageus.nothing.tech/products/cmf-buds-pro-2Read 8 October 2026Current LDAC section directly states up to 24 bits/96 kHz/990 kbps with a compatible LDAC source. This does not establish lossless playback.

Not available

Max bit depthiHighest supported audio bit depth under the codec and source-device conditions in the source note. Bluetooth version alone does not establish this.

24bits2Maker product pageus.nothing.tech/products/cmf-buds-pro-2Read 8 October 2026Direct current LDAC claim, conditional on a compatible source and enabled codec. Not inferred from Bluetooth version.

Not available

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

Not available

Not available

Personalised soundiA profile from a hearing test or ear scan

Not available

Not available

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.

312Reviewsoundguys.com/cmf-buds-pro-2-review-big-features-small-price-smart-dial-123206Read 10 October 2026App section: custom circular tri-band equalizer, separate from the Ultra Bass mode. Read from the original 2024 review, so the current Nothing X band count was not rechecked.

818Reviewhifireport.com/soundcore-p30i-by-anker-noise-cancelling-earbuds-reviewRead 7 October 2026App and Customization section explicitly states eight-band custom EQ for P30i. Hardware/app feature statement, not a measurement. App/firmware version unstated. Does not establish onboard EQ storage. 22 presets is a separate count.

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

Not available

soundcore Signature, Bass Booster, Bass Reducer, Treble Booster, Acoustic, Flat13Maker product pageservice.soundcore.com/article-description/How-to-Improve-the-Bass-Quality-of-Your-soundcore-P30i-R50i-NC-EarbudsRead 7 October 2026Exact Bass Quality article: Bass Booster and Bass Reducer. Other four named presets explicitly visible in Scarbir P30i app screenshot: soundcore Signature, Treble Booster, Acoustic, Flat. Total 22 options is not a complete named list. No unpictured names guessed.14Reviewscarbir.com/tws/soundcore-p30i-reviewRead 7 October 2026Exact P30i Sound Effects screenshot read at full size: Bass Reducer, Treble Booster, soundcore Signature, Acoustic, Flat. Custom is a control and More is navigation, not named presets. Maker Bass Booster also verified.

Volume limit

Not available

Not available

Spatial audio

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

Spatial Audio Effect2Maker product pageus.nothing.tech/products/cmf-buds-pro-2Read 8 October 2026Current maker explicitly names Spatial Audio Effect based on HRTF. No Dolby format, dynamic head tracking or object-audio decoding is inferred.

3D sound5Maker product pagesoundcore.com/products/soundcore-p30iRead 6 October 2026Maker comparison table: 3D sound ticked for P30i. No platform condition stated.

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

Not available

Not available

Noise cancelling

3 of 11 differ

Active noise cancelling

Yes2Maker product pageus.nothing.tech/products/cmf-buds-pro-2Read 8 October 2026

Yes1Maker product pageankerjapan.com/products/a3959Read 6 October 2026Feature text: active noise cancelling.

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

Hybrid2Maker product pageus.nothing.tech/products/cmf-buds-pro-2Read 8 October 2026

Hybrid9Review52audio.com/archives/219042.htmlRead 7 October 2026External MEMS used for voice calls and noise cancellation. Internal microphone explicitly feedback ANC. Classification from published outer noise-pickup and inner feedback roles, rather than adaptive control wording. Exact White A3959 inspection.

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

49Review52audio.com/archives/219042.htmlRead 7 October 2026Two microphones per bud: external call/noise cancellation plus internal feedback ANC. Both stated ANC roles counted across stereo pair, shared call/ANC capsule counted once. Physical total also four. Tested White A3959.

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

Yes2Maker product pageus.nothing.tech/products/cmf-buds-pro-2Read 8 October 2026Current maker describes automatic detection and compensation for ear-canal noise leakage, plus environment-adaptive mode in Nothing X. This does not prove real-time adaptive EQ.

Yes4Maker product pageankerjapan.com/blogs/faq/soundcore-p30iRead 6 October 2026FAQ: the automatic mode sets noise cancelling to suit the environment and the ear shape. A manual mode with levels also exists.5Maker product pagesoundcore.com/products/soundcore-p30iRead 6 October 2026Feature text: with adaptive technology the P30i detects external sound and automatically selects a level of noise cancelling.

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

Not available

510Maker product pageankerjapan.com/blogs/faq/soundcore-p30iRead 7 October 2026Manual ANC mode and level 5 setting in FAQ. Scarbir exact app test explicitly describes manual levels 1 to 5. Five strengths exclude Off, Transparency and Adaptive modes.14Reviewscarbir.com/tws/soundcore-p30i-reviewRead 7 October 2026Review explicitly names Manual ANC levels 1 to 5. Firmware version not stated.

ANC attenuation (claimed)iManufacturer maximum claimed noise attenuation. Frequency and measurement conditions belong in the source note. This is not reviewer-measured overall attenuation.

50dB2Maker product pageus.nothing.tech/products/cmf-buds-pro-2Read 8 October 2026Current maker names up to 50 dB Hybrid ANC with coverage up to 5000 Hz. Its footnote calls 50 dB a theoretical laboratory maximum. Coverage up to 5000 Hz does not establish the frequency at which maximum attenuation occurs. No reviewer-measured overall attenuation is substituted.

42dB5Maker product pagesoundcore.com/products/soundcore-p30iRead 6 October 2026Feature text: reduce noise by up to 42 dB. No frequency or test condition given.

Transparency mode

Yes2Maker product pageus.nothing.tech/products/cmf-buds-pro-2Read 8 October 2026

Yes2Owner's manuallp.ankerjapan.com/hubfs/aoos/manual/A3959Manual.pdfRead 6 October 2026Controls table: hold 2 seconds to switch between noise cancelling, transparency (外音取り込み) and normal.5Maker product pagesoundcore.com/products/soundcore-p30iRead 6 October 2026

Adjustable transparency

Not available

Not available

Automatic ANC and transparency blendiAutomatically blends active cancellation with ambient sound. Automatic activity-based switching between separate modes alone does not qualify.

Not available

Not available

Conversation detection

Not available

Not available

Wind noise reductioniA documented physical design or processing feature for reducing wind noise. The source note distinguishes mesh or shape changes from selectable processing.

Yes2Maker product pageus.nothing.tech/products/cmf-buds-pro-2Read 8 October 2026Current Call functions table explicitly names Wind Noise Reduction 3.0, so this is call-processing evidence. Other page prose retains 2.0 wording. No separate user-selectable listening/ANC wind toggle or physical wind-mesh design is inferred.

Yes4Maker product pageankerjapan.com/blogs/faq/soundcore-p30iRead 6 October 2026FAQ: the Wind Noise Reduction (風切り音の低減) setting in the Soundcore app detects wind noise and reduces it automatically. Selectable processing.

Measured

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

Bass is raised by about 12 to 15 dB between 20 and 400 Hz and peaks near 50 Hz. The treble from 5 to 20 kHz shows several peaks and dips.12Reviewsoundguys.com/cmf-buds-pro-2-review-big-features-small-price-smart-dial-123206Read 10 October 2026Objective Measurements section against the SoundGuys house curve, original 2024 review sample. Bass boost 20 to 400 Hz and treble variation 5 to 20 kHz are quoted from the text. No dB target values are stored.

Not available

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

Not available

Not available

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

Not available

Not available

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

Not available

Not available

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

Not available

Not available

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

Not available

Not available

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

Not available

Not available

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

Not available

Not available

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

Not available

Not available

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

Not available

Not available

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

Recorded speech samples cover ideal, office, street, windy and reverberant conditions. Voices sound slightly muffled. Background noise reduction is very good, especially in wind.12Reviewsoundguys.com/cmf-buds-pro-2-review-big-features-small-price-smart-dial-123206Read 10 October 2026Microphone section and demos recorded by SoundGuys on the original 2024 sample. Office, street, windy and reverberant demos were listened to as described by the reviewer.

Speech was audible with nearby chatter or a radio. Wind made the voice thinner.16Measurementscarbir.com/tws/soundcore-p30i-reviewRead 7 October 2026Own subjective call tests: speech with chatter/radio indoors and wind outdoors. The exact review describes voice thinning in wind. Author method page says calls tested quiet indoors, simulated/background voices indoors and walking against wind outdoors. Exact host, codec, volume and firmware unstated, no numeric noise-handling inference. Source: https://www.scarbir.com/about. Battery observations are extrapolated and not stored as measured runtime.

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

Not available

Not available

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

Not available

Not available

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

Not available

Not available

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

Not available

Not available

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

Not available

Not available

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

Not available

Not available

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

Not available

Not available

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

ACMF Buds Pro 2

ANC	Hours (h)
Yes	6.25

Source13Measurementsoundguys.com/cmf-buds-pro-2-review-big-features-small-price-smart-dial-123206Read 10 October 2026Battery section: "In our testing" the buds lasted roughly 6 hours 15 minutes with ANC on, stored as 6.25 h. Earbuds only, one charge. Codec, volume and firmware are not stated in the review. SoundGuys states its standard method on its how-we-test page. The tested sample is the original 2024 unit, and the current sales revision is not proven identical.

Bsoundcore P30i

Not available

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

6.25h=CalculatedFrom Battery life (measured)

Not available

Battery life with case (measured)iReviewer-tested total including earbuds and case recharges. Do not calculate this by multiplying one-charge runtime by claimed recharge count.

Not available

Not available

Full charge time (measured)iBuds in the case, 0 to 100 %. Measured by a reviewer

Not available

Not available

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

Not available

4.6g(0.2 oz)11Measurement52audio.com/archives/219042.htmlRead 7 October 2026Own scale measurement: one earbud approximately 4.6 g. 52Audio teardown/unboxing measurement of White P30i A3959. Tip inclusion/size and scale model not stated. Approximate single-bud result. Combined 54.8 g is not empty-case mass. Maker 4.3 g preserved.

Microphones and calls

2 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.

62Maker product pageus.nothing.tech/products/cmf-buds-pro-2Read 8 October 2026Current Call functions table states six microphones in total across the pair. They serve voice capture. Shared ANC functions do not add microphones.

45Maker product pagesoundcore.com/products/soundcore-p30iRead 6 October 2026Maker comparison table, Calls row: 4 Mics with AI.

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.

62Maker product pageus.nothing.tech/products/cmf-buds-pro-2Read 8 October 2026Six total microphones across the earbud pair, counted once. Current table calls the call processing Clear Voice Technology 3.0 and wind processing Wind Noise Reduction 3.0, while other page text retains 2.0 wording. Processing-version conflict does not create extra physical microphones.

49Review52audio.com/archives/219042.htmlRead 7 October 2026Teardown summary: two MEMS microphones in each earbud. Two per bud across pair. External R41F1CQT and internal R41F1PQT are physical capsules. Maker 4 Mics call row corroborates total. No sensor counted as microphone.

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

AI12Reviewsoundguys.com/cmf-buds-pro-2-review-big-features-small-price-smart-dial-123206Read 10 October 2026Calls section: six microphones and an AI noise reduction algorithm. The review sample is the original June 2024 unit. The current maker table calls the processing Clear Voice Technology 3.0 without the word AI.

AI5Maker product pagesoundcore.com/products/soundcore-p30iRead 6 October 2026Maker comparison table, Calls row: 4 Mics with AI.

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

Not available

Not available

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

Not available

Not available

SidetoneiHear your own voice in calls

Not available

Not available

Connectivity

4 of 18 differ

Chip

Not available

JieLi JL7016G69Review52audio.com/archives/219042.htmlRead 7 October 2026Earbud mainboard: JL7016G6 Bluetooth audio SoC. Inspected White P30i A3959. Case IP5521 power-management chip is not audio chipset.

Connections

Bluetooth2Maker product pageus.nothing.tech/products/cmf-buds-pro-2Read 8 October 2026

Bluetooth1Maker product pageankerjapan.com/products/a3959Read 6 October 2026Communication: Bluetooth 5.4. No wired or dongle audio connection listed.

Bluetooth

5.42Maker product pageus.nothing.tech/products/cmf-buds-pro-2Read 8 October 2026Current US table explicitly states Bluetooth 5.4. Generic support FAQ and original B172 documents say 5.3. Current listing is represented, with the historical conflict retained. No firmware-only radio upgrade or physical revision code is invented.

5.41Maker product pageankerjapan.com/products/a3959Read 6 October 20262Owner's manuallp.ankerjapan.com/hubfs/aoos/manual/A3959Manual.pdfRead 6 October 20265Maker product pagesoundcore.com/products/soundcore-p30iRead 6 October 2026

Bluetooth codecs

LDAC, AAC, SBC3Maker product pagesupport.nothing.tech/hc/en-us/articles/26468752574481-What-audio-formats-does-CMF-Buds-Pro-2-supportRead 8 October 2026Current exact-model support answer explicitly lists LDAC, AAC and SBC. Main current listing independently advertises LDAC, and the exact-model battery FAQ names AAC and LDAC. No LE Audio support or absence is inferred from the changed radio version.

SBC, AAC1Maker product pageankerjapan.com/products/a3959Read 6 October 2026Supported codecs: SBC / AAC.

Bluetooth profiles

Not available

Not available

LE Audio

Not available

Not available

Auracast

Not available

Not available

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

Yes2Maker product pageus.nothing.tech/products/cmf-buds-pro-2Read 8 October 2026

Yes1Maker product pageankerjapan.com/products/a3959Read 6 October 2026Feature text: multipoint connection to two devices at the same time.5Maker product pagesoundcore.com/products/soundcore-p30iRead 6 October 2026

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

26Maker product pagesupport.nothing.tech/hc/en-us/categories/25890107917585-CMF-Buds-Pro-2Read 8 October 2026Current family support explicitly describes two phones connected concurrently and prioritization between their music and calls, matching the current listing Dual connection. An older reviewer called this No Multipoint while acknowledging dual-device pairing. The documented concurrent behavior meets this field definition.

22Owner's manuallp.ankerjapan.com/hubfs/aoos/manual/A3959Manual.pdfRead 6 October 2026Multipoint section: connect to two devices at the same time through the Soundcore app settings.

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

Google Fast Pair, Microsoft Swift Pair2Maker product pageus.nothing.tech/products/cmf-buds-pro-2Read 8 October 2026

Not available

Audio sharingiShare one stream with a second pair

Not available

Not available

Wireless range (claimed)

Not available

10m2Owner's manuallp.ankerjapan.com/hubfs/aoos/manual/A3959Manual.pdfRead 6 October 2026Specifications table: Bluetooth operating range 10 m.

Wireless receiveri2.4 GHz dongle

Not available

Not available

Receiver connector

Not available

Not available

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

Not available

Not available

Latency

3 of 3 differ

Low latency mode

Yes2Maker product pageus.nothing.tech/products/cmf-buds-pro-2Read 8 October 2026

Not available

Claimed latency

ACMF Buds Pro 2

Connection	Mode	Latency (ms)
Bluetooth	Low Lag Mode with a Nothing phone	120

Source12Reviewsoundguys.com/cmf-buds-pro-2-review-big-features-small-price-smart-dial-123206Read 10 October 2026Review states Low Lag Mode "reduces latency to less than 120ms when used with a Nothing Phone". The Nothing page footnote 8 says as low as 120 ms, but that footnote list mixes in text for other CMF Buds. Stored as 120 ms, a ceiling with a Nothing phone and Low Lag Mode on. No other phone brand is covered.

Bsoundcore P30i

Not available

Lowest claimed latency

120ms=CalculatedFrom Claimed latency

Not available

Compatibility

3 of 4 differ

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

Android, iOS2Maker product pageus.nothing.tech/products/cmf-buds-pro-2Read 8 October 2026Current features table lists Android and iOS with minimum Android 6.0 and iOS 13. Bluetooth audio route only. Console, PC and Mac support is not stated.

Windows, macOS, Android, iOS10Maker product pageankerjapan.com/blogs/faq/soundcore-p30iRead 7 October 2026Exact FAQ separate Windows/Mac, Android and iPhone connection sections. Documented basic Bluetooth audio routes. App platforms remain iOS/Android only.

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 Pro 2

Platform	Connection
Android	Bluetooth
iOS	Bluetooth

Source2Maker product pageus.nothing.tech/products/cmf-buds-pro-2Read 8 October 2026Both mobile systems connect over Bluetooth per the Android and iOS features row. Microphone behaviour per platform is not stated, so microphone_works is left out.

Bsoundcore P30i

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

Source10Maker product pageankerjapan.com/blogs/faq/soundcore-p30iRead 7 October 2026Windows: P30i hands-free microphone/speaker. Mac: input/output P30i. Android/iPhone Bluetooth pairing/audio instructions. Windows conferencing apps Zoom/Teams use hands-free input/output, music uses stereo. Mac explicitly selects P30i input/output. Phone platform-specific microphone flags not asserted from generic call compatibility.

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

ACMF Buds Pro 2

Feature	Needs
Android and iOS compatibility	Current listing specifies Android 6.0 or above and iOS 13 or above. Some older family FAQ wording says Android 5.0.
LDAC audio	Use a compatible LDAC source and enable high-quality audio in Nothing X. Up to 24-bit/96 kHz is a codec claim, not lossless playback. Current physical-revision support for simultaneous LDAC and Dual Connection or Dirac is not established.
Spatial Audio Effect	Enable HRTF spatial processing in Nothing X. No specific source format or dynamic head tracking is claimed.
Smart Dial on the case	Configure the case dial in Nothing X. It supports volume, playback, noise-mode, voice-assistant, low-lag and mic-mute commands. Case-only mute does not establish on-ear microphone mute.
Earbud volume controls	Assign double tap and hold in Nothing X Controls. Hold after the double tap to change volume. Case dial rotation is a separate option.

Source2Maker product pageus.nothing.tech/products/cmf-buds-pro-2Read 8 October 2026Current Android minimum is 6.0 and iOS minimum is 13. Generic older FAQ says Android 5.0. Current table is used without claiming all advanced functions operate identically across platforms. Case Smart Dial requires configuration in Nothing X and includes microphone mute. It does not establish an earbud mic mute control.5Maker product pagesupport.nothing.tech/hc/en-us/articles/26468737625489-How-do-I-adjust-the-volume-on-CMF-Buds-Pro-2Read 8 October 20266Maker product pagesupport.nothing.tech/hc/en-us/categories/25890107917585-CMF-Buds-Pro-2Read 8 October 2026Current maker listing independently confirms the same case-dial functions. The support description adds that it has no assigned function by default and must be configured in Nothing X. It does not prove a current physical revision code.

Bsoundcore P30i

Feature	Needs
Multipoint	Enable Dual Connections in the soundcore app
Earbud volume controls	Assign volume adjustment in the soundcore app Controls menu
Voice assistant controls	Assign the action in the soundcore app and use a compatible source-device assistant. Single tap cannot invoke the assistant
Manual ANC levels	Select Manual noise cancellation in the soundcore app

Source10Maker product pageankerjapan.com/blogs/faq/soundcore-p30iRead 7 October 2026FAQ multipoint, manual ANC, volume and voice-assistant control setup sections. Requirements apply to existing maker features. No unknown firmware minimum invented.

Official licence

Not available

Not available

Battery and charging

10 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.

60mAh2Maker product pageus.nothing.tech/products/cmf-buds-pro-2Read 8 October 2026Current battery table explicitly 60 mAh for one earbud. Typical or rated capacity is not stated.

60mAh9Review52audio.com/archives/219042.htmlRead 7 October 2026Earbud cell 1154H label: rated 60 mAh, 0.231 Wh, nominal 3.85 V. Exact White P30i A3959 teardown, 2024-11-15. Cell rating, not measured discharge capacity. No inferred voltage conversion.

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 Pro 2

Mode	Codec	Includes case recharges	Hours (h)
ANC off	AAC	No	11
ANC off	AAC	Yes	43
ANC on	AAC	No	6.5
ANC on	AAC	Yes	26
Transparency	AAC	No	6.5
Transparency	AAC	Yes	26
ANC off	LDAC	No	6.5
ANC off	LDAC	Yes	25
ANC on	LDAC	No	4.3
ANC on	LDAC	Yes	16.6
Transparency	LDAC	No	4.3
Transparency	LDAC	Yes	16.6
Call	Not available	No	6
Call	Not available	Yes	25
Call	Not available	No	4.8
Call	Not available	Yes	18.6

Source2Maker product pageus.nothing.tech/products/cmf-buds-pro-2Read 8 October 2026Current battery table states 11 hours earbuds-only and 43 hours with case for ANC off, matching the model-specific FAQ. A page-body sentence instead says ten hours from the 60 mAh earbud. The specified table/FAQ claim is represented with that body conflict explicit, without claiming a rounding method or tested revision.4Maker product pagesupport.nothing.tech/hc/en-us/articles/26468705886993-How-long-is-the-battery-life-of-CMF-Buds-Pro-2Read 8 October 2026Current model-specific FAQ publishes AAC playback off 11/43 h and on/transparency 6.5/26 h, matching the current main listing. It also declares LDAC off 6.5/25 h and on/transparency 4.3/16.6 h. Playback test conditions are 50% volume and 25 C. Exact physical model code, firmware and spatial-processing state are not stated. These are current published maker claims, not measured performance transferred from a historical unit. Call rows are explicitly ANC off: 6 h earbuds only and 25 h including case. The following call rows are ANC on or Transparency: 4.8 h earbuds only and 18.6 h including case. No AAC codec is assigned to calls from a generic playback test footer. Call ANC state is recorded here as required by the table contract.

Bsoundcore P30i

Mode	Includes case recharges	Hours (h)
ANC off	No	10
ANC off	Yes	45
ANC on	No	7
ANC on	Yes	30
Transparency	No	6.5
Transparency	Yes	28.5
Call	No	4.5

Source1Maker product pageankerjapan.com/products/a3959Read 6 October 2026Specifications: normal mode up to 10 h earbuds only and 45 h with case. ANC mode up to 7 h and 30 h.2Owner's manuallp.ankerjapan.com/hubfs/aoos/manual/A3959Manual.pdfRead 6 October 2026Specifications table: about 10 h / 45 h with ANC off and about 7 h / 30 h with ANC on.4Maker product pageankerjapan.com/blogs/faq/soundcore-p30iRead 6 October 2026FAQ on playback per charge: normal 10 h (45 h with case), ANC 7 h (30 h), transparency 6.5 h (28.5 h), calls 4.5 h with ANC off and 4.2 h with ANC on. Default settings, 50 % volume. The call row stores the ANC-off figure.5Maker product pagesoundcore.com/products/soundcore-p30iRead 6 October 2026Feature text and comparison table: 10 h single charge, 45 h with case.

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

11h=CalculatedFrom Claimed battery life

10h=CalculatedFrom Claimed battery life

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

6.5h=CalculatedFrom Claimed battery life

7h=CalculatedFrom Claimed battery life

Playback per charge without ANC (claimed)iHighest claimed earbuds-only playback with ANC disabled. Codec and volume conditions belong in the source note.

11h=CalculatedFrom Claimed battery life

10h=CalculatedFrom Claimed battery life

Total with case (claimed)iHighest claimed runtime including the initial earbud charge and all case recharges. It is not the case recharge runtime alone.

43h=CalculatedFrom Claimed battery life

45h=CalculatedFrom Claimed battery life

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

26h=CalculatedFrom Claimed battery life

30h=CalculatedFrom Claimed battery life

Talk time (claimed)

6h=CalculatedFrom Claimed battery life

4.5h=CalculatedFrom Claimed battery life

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

60min2Maker product pageus.nothing.tech/products/cmf-buds-pro-2Read 8 October 2026Current table explicitly full charge with charging case: 60 minutes, earbuds only. The separate 85-minute number is for the charging case and earbuds together, not an empty-case charge.

60min1Maker product pageankerjapan.com/products/a3959Read 6 October 2026Specifications: about 1 hour for the earbuds.2Owner's manuallp.ankerjapan.com/hubfs/aoos/manual/A3959Manual.pdfRead 6 October 2026Specifications table: up to 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.

Current maker table claims 60 minutes to fully charge earbuds in the case and 85 minutes for the charging case and earbuds together by USB-C. The historical family page claimed 70 minutes for the combined set. No current empty-case full-charge duration is established. The headline claims up to seven hours after a ten-minute charge, without clearly identifying its earbud-only or case-inclusive scope. It is not assigned to the earbuds-only quick-charge field. A cable is omitted from current new-sale box lists, while transitional retailer stock may still include one. Generic CMF Buds disclaimer figures on the page do not match this Pro 2 table and are not substituted.2Maker product pageus.nothing.tech/products/cmf-buds-pro-2Read 8 October 2026Current US table names 85 minutes combined, versus the historical 70-minute family claim. The page also contains generic CMF Buds disclaimer text about 35.5-hour playback, two microphones per bud and other charge times that conflicts with the exact Pro 2 table. Those generic statements are not used as Pro 2 numeric facts. No charger input wattage or case-only duration is inferred.

Not available

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

Not available

10min2Owner's manuallp.ankerjapan.com/hubfs/aoos/manual/A3959Manual.pdfRead 6 October 2026Charging section: a 10-minute charge gives 2 hours of playback. ANC state is not stated.5Maker product pagesoundcore.com/products/soundcore-p30iRead 6 October 2026Comparison table: 10M = 2H.

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.

Not available

2h2Owner's manuallp.ankerjapan.com/hubfs/aoos/manual/A3959Manual.pdfRead 6 October 2026Charging section: a 10-minute charge gives 2 hours of playback. ANC state is not stated.5Maker product pagesoundcore.com/products/soundcore-p30iRead 6 October 2026

Charging case

2 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.

460mAh2Maker product pageus.nothing.tech/products/cmf-buds-pro-2Read 8 October 2026Current battery table explicitly 460 mAh for the case. Input current and output capacity are not substituted.

700mAh2Owner's manuallp.ankerjapan.com/hubfs/aoos/manual/A3959Manual.pdfRead 6 October 2026Maker specifications 700 mAh/2.66 Wh row lacks a component label. 52Audio exact P30i White A3959 charging-case disassembly independently identifies the 13450HV cell as 700 mAh/2.66 Wh/3.8 V. No assumed cell voltage or size-only inference remains.9Review52audio.com/archives/219042.htmlRead 7 October 2026Charging-case teardown battery 13450HV label: rated 700 mAh, 2.66 Wh, nominal 3.8 V. This physically identifies component and rating. Maker ambiguous 700 mAh row is preserved with exact component corroboration.

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-C2Maker product pageus.nothing.tech/products/cmf-buds-pro-2Read 8 October 2026

USB-C1Maker product pageankerjapan.com/products/a3959Read 6 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

150min1Maker product pageankerjapan.com/products/a3959Read 6 October 2026Specifications: about 2.5 hours for the charging case.2Owner's manuallp.ankerjapan.com/hubfs/aoos/manual/A3959Manual.pdfRead 6 October 2026Specifications table: up to 2.5 hours for the charging case.

Wireless charging

No8Owner's manualcdn.shopify.com/s/files/1/0585/5258/2321/files/Buds_Pro_2_User_Guide.pdfRead 8 October 2026Charging page describes only a power cable for the case and gives no wireless charging step. This agrees with SoundGuys, which answers No to wireless charging.12Reviewsoundguys.com/cmf-buds-pro-2-review-big-features-small-price-smart-dial-123206Read 10 October 2026FAQ: "No, they do not have wireless charging."

No5Maker product pagesoundcore.com/products/soundcore-p30iRead 6 October 2026Maker comparison table: Wireless Charging crossed for P30i, ticked for P40i.

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

Not available

Not available

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

2 of 5 differ

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

Touch2Maker product pageus.nothing.tech/products/cmf-buds-pro-2Read 8 October 2026

Touch2Owner's manuallp.ankerjapan.com/hubfs/aoos/manual/A3959Manual.pdfRead 6 October 2026Pairing section: hold the touch area of both earbuds for 3 seconds.5Maker product pagesoundcore.com/products/soundcore-p30iRead 6 October 2026Maker comparison table: Touch Control.

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

Touch5Maker product pagesupport.nothing.tech/hc/en-us/articles/26468737625489-How-do-I-adjust-the-volume-on-CMF-Buds-Pro-2Read 8 October 2026Specific model FAQ permits assigning double tap and hold on an earbud, separate from rotating the case Smart Dial. Current maker touch-control table and configurable-controls list corroborate the compatible operation. Source phone buttons are not counted as earbud volume control.

Touch12Maker product pageservice.soundcore.com/article-description/soundcore-P30i-R50i-NC-Earbuds-FAQRead 7 October 2026FAQ 6: Controls customize volume adjustment via earbuds. Exact P30i/R50i NC touch interface. Requires soundcore app to assign. Scarbir demonstrates single-tap assignment.

Gestures

Double tap: skip forward, answer/hang up calls, Triple tap: skip back, reject calls, Tap and hold: switch ANC/Transparency2Maker product pageus.nothing.tech/products/cmf-buds-pro-2Read 8 October 2026

Double tap, Press and hold for 2 seconds2Owner's manuallp.ankerjapan.com/hubfs/aoos/manual/A3959Manual.pdfRead 6 October 2026Controls table: double tap (play/pause, next track, answer call) and press and hold for 2 seconds (mode switch, reject or end call).

Remappable controls

Yes2Maker product pageus.nothing.tech/products/cmf-buds-pro-2Read 8 October 2026

Yes2Owner's manuallp.ankerjapan.com/hubfs/aoos/manual/A3959Manual.pdfRead 6 October 2026Controls section: controls can be customised in the Soundcore app.

Voice assistant

Voice assistant of the connected phone, ChatGPT (CMF and Nothing phones)2Maker product pageus.nothing.tech/products/cmf-buds-pro-2Read 8 October 2026Nothing X app section: "Use Buds Pro 2 to call up ChatGPT from your CMF and Nothing phones." The original user guide lists wake up voice assistant as an optional earbud function without naming an assistant.8Owner's manualcdn.shopify.com/s/files/1/0585/5258/2321/files/Buds_Pro_2_User_Guide.pdfRead 8 October 2026Operations page: optional earbud functions include wake up voice assistant. No named assistant. Applies to the original B172 guide.

Siri10Maker product pageankerjapan.com/blogs/faq/soundcore-p30iRead 7 October 2026FAQ: assign Voice Assistant in Controls, plus Siri-volume troubleshooting. Native source-device Siri, not an onboard assistant or independent wake-word engine. Assistant action cannot be assigned to single tap. Other assistants unnamed and omitted.

Sensors and health

1 of 9 differ

In-ear detection

Yes2Maker product pageus.nothing.tech/products/cmf-buds-pro-2Read 8 October 2026

Not available

Sensors

Not available

Not available

Heart rate sensor

Not available

Not available

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

Not available

Not available

Hearing aid featureiAmplification for mild to moderate hearing loss

Not available

Not available

Medical clearances

Not available

Not available

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

Not available

Not available

Hearing protectioniLimits sudden loud sounds

Not available

Not available

Health features

Not available

Not available

Fit and durability

1 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, L2Maker product pageus.nothing.tech/products/cmf-buds-pro-2Read 8 October 2026

S, M, L2Owner's manuallp.ankerjapan.com/hubfs/aoos/manual/A3959Manual.pdfRead 6 October 2026Wearing section: S, M and L tips shown. M tips are fitted.

Ear tip materials

Silicone7Maker product pagesupport.nothing.tech/hc/en-us/articles/26468689235857-What-Material-is-the-CMF-Buds-Pro-2-Made-OfRead 8 October 2026

Silicone9Review52audio.com/archives/219042.htmlRead 7 October 2026Teardown conclusion: three pairs of soft silicone ear tips. Factory supplied tips, not optional foam replacements. Existing sizes S/M/L preserved.

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

Not available

Not available

Ear tip fit test

Yes2Maker product pageus.nothing.tech/products/cmf-buds-pro-2Read 8 October 2026

Yes2Owner's manuallp.ankerjapan.com/hubfs/aoos/manual/A3959Manual.pdfRead 6 October 2026Wearing section: fit test in the Soundcore app.

Dust and water rating, buds

IP552Maker product pageus.nothing.tech/products/cmf-buds-pro-2Read 8 October 2026

IP541Maker product pageankerjapan.com/products/a3959Read 6 October 2026Specifications: IP54, earbuds only.5Maker product pagesoundcore.com/products/soundcore-p30iRead 6 October 2026Maker comparison table: Waterproof IP54.

Dust and water rating, case

Not available

Not available

Water resistance depth

Not available

Not available

Software

2 of 6 differ

Companion app

Nothing X2Maker product pageus.nothing.tech/products/cmf-buds-pro-2Read 8 October 2026

soundcore2Owner's manuallp.ankerjapan.com/hubfs/aoos/manual/A3959Manual.pdfRead 6 October 2026App section: Soundcore app for EQ, find earbuds, noise cancelling, multipoint and firmware updates.

App platforms

Android, iOS2Maker product pageus.nothing.tech/products/cmf-buds-pro-2Read 8 October 2026

iOS, Android2Owner's manuallp.ankerjapan.com/hubfs/aoos/manual/A3959Manual.pdfRead 6 October 2026App section shows the Google Play and App Store badges.

User firmware updates

Yes2Maker product pageus.nothing.tech/products/cmf-buds-pro-2Read 8 October 2026

Yes2Owner's manuallp.ankerjapan.com/hubfs/aoos/manual/A3959Manual.pdfRead 6 October 2026Firmware update section: the app notifies and installs new firmware.

Finding network

Not available

Not available

Precision findingiUWB in the case

Not available

Not available

Live translation

Not available

Not available

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.

4.9g(0.2 oz)2Maker product pageus.nothing.tech/products/cmf-buds-pro-2Read 8 October 2026Current Buds design table explicitly one-bud mass 4.9 g. Tip size is not stated. This is a maker claim, not a reviewer weight measurement.

4.3g(0.2 oz)1Maker product pageankerjapan.com/products/a3959Read 6 October 2026Specifications: about 4.3 g per earbud. The 52.8 g figure includes the earbuds and is not the empty case weight.

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

Width20.2Height33.1Depth23.8mm(0.8 × 1.3 × 0.9 in)2Maker product pageus.nothing.tech/products/cmf-buds-pro-2Read 8 October 2026Current Buds design table explicitly labels height 33.1, width 20.2 and depth 23.8 mm. Axis labels are retained without reordering by appearance.

Not available

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

46g(1.6 oz)2Maker product pageus.nothing.tech/products/cmf-buds-pro-2Read 8 October 2026Current Case design table gives 46 g separately from the one-bud 4.9 g figure. No case-inclusive total is used.

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.

Width53.4Height53.4Depth23mm(2.1 × 2.1 × 0.9 in)2Maker product pageus.nothing.tech/products/cmf-buds-pro-2Read 8 October 2026Current Case design table explicitly height and width 53.4 mm, depth 23 mm.

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 Wireless2Maker product pageus.nothing.tech/products/cmf-buds-pro-2Read 8 October 2026

Not available

Communication certifications

Not available

Not available

FCC IDs

Not available

2AOKB-A3959L, 2AOKB-A3959R3Owner's manuallp.ankerjapan.com/hubfs/aoos/manual/A3959QSG.pdfRead 6 October 2026Back page: left earbud A3959L FCC ID 2AOKB-A3959L, right earbud A3959R FCC ID 2AOKB-A3959R. No case FCC ID printed.

Other certifications

Not available

EU RED 2014/53/EU, EU RoHS 2011/65/EU and 2015/86315Maker spec sheet (PDF)cdn.shopify.com/s/files/1/0917/4807/3750/files/A3959_soundcore_P30i_R50i_EU_Declaration.pdfRead 7 October 2026Maker EU/UK Declaration V3.0, 2025-07-15: exact P30i/R50i NC A3959, Directives 2014/53/EU and 2011/65/EU with 2015/863 amendment. Manufacturer conformity declaration, not independent certification. EN 303 417 listing does not override direct maker no-wireless-charge comparison.

In the box

2 of 2 differ

In the box

Left and right earbuds, S, M and L ear tips, Charging case, Safety and warranty information, User guide2Maker product pageus.nothing.tech/products/cmf-buds-pro-2Read 8 October 2026Current table lists earbuds, S/M/L tips, charging case, safety/warranty information and user guide. Specific maker note says cable omitted from new sales starting May 15, 2025, with transitional retailer stock potentially retaining a cable. No cable is treated as a current standard item and no blanket absence is asserted for every stock revision.

Earbuds, Charging case, Three sizes of ear tips, USB-C and USB-A cable, Quick start guide, Safety manual1Maker product pageankerjapan.com/products/a3959Read 6 October 2026Package contents, translated from Japanese: Soundcore P30i, charging case, ear tips (3 sizes), USB-C and USB-A cable, quick start guide and safety manual.

Cables included

ACMF Buds Pro 2

Not available

Bsoundcore P30i

Type	Count
USB-A to USB-C	1

Source1Maker product pageankerjapan.com/products/a3959Read 6 October 2026Package contents: one USB-C and USB-A cable.

Links

Not compared

Product page

us.nothing.tech/products/cmf-buds-pro-21Maker product pagecheckout-us.nothing.tech/products/cmf-buds-pro-2.jsRead 8 October 2026

www.soundcore.com/products/soundcore-p30i5Maker product pagesoundcore.com/products/soundcore-p30iRead 6 October 2026

Spec sheet

us.nothing.tech/products/cmf-buds-pro-22Maker product pageus.nothing.tech/products/cmf-buds-pro-2Read 8 October 2026Current US maker page embeds declarative product specification tables in its public HTML. These tables were decoded as source data without executing scripts or accessing a private API. Current claims belong to this selected sales listing, without asserting an independently tested physical revision.

Not available

Manual

cdn.shopify.com/s/files/1/0585/5258/2321/files/Buds_Pro_2_User_Guide.pdf8Owner's manualcdn.shopify.com/s/files/1/0585/5258/2321/files/Buds_Pro_2_User_Guide.pdfRead 8 October 2026Official family-download index still links this original B172 V.1 user guide. It was read alongside current specifications. This URL is historical family guidance, not proof that current SKU 6974434225930 is B172. Only controls independently corroborated by current maker listing/support are represented. Original radio, FCC identity, charge estimates and numerical reviewer tests are not transferred to current hardware.

lp.ankerjapan.com/hubfs/aoos/manual/A3959Manual.pdf2Owner's manuallp.ankerjapan.com/hubfs/aoos/manual/A3959Manual.pdfRead 6 October 2026Japanese user manual. The pairing step names soundcore P30i.

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

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Warranty

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.

1year11Maker product pageus.nothing.tech/pages/terms-of-salesRead 10 October 2026US direct-store terms section 6.8: headphones and other electronic devices carry a limited warranty of twelve months. Applies to purchases from the Nothing US site in the buyer's original country. The start date wording differs between sections 6.1 (delivery) and 6.8 (purchase). Statutory rights are separate.

1.5years3Owner's manuallp.ankerjapan.com/hubfs/aoos/manual/A3959QSG.pdfRead 6 October 2026Japan: 18-month warranty, extended to 24 months for Anker Japan members. Market-specific.

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