Earbuds / Compare

CMF Buds 2 Plus vs TOZO NC3

A

Product A: CMF

Buds 2 Plus

88 of 166 known

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B

Product B: TOZO

NC3

66 of 166 known

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All 166 fields

Every value links to where we found it.

Only differences

ACMF Buds 2 Plus

BTOZO NC3

General

3 of 8 differ

Series

Not available

NC2Maker product pagetozostore.com/products/nc3-headphone.jsonRead 20 October 2026Store product tag: NC Series.

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

T11141, NC3001Maker product pagetozostore.com/products/nc3-headphoneRead 20 October 2026Charging case label in the maker's product photo: Model No. T11141.9Retailer pageamazon.com/dp/B0DGKWQMSMRead 21 October 2026Item details: Model Number T11141, Model Name NC3, Manufacturer Part Number NC300. The T11141 label is on the case in the maker photo.

GTIN / EAN

Not available

6971681319917, 717687768153, 717687768146, 8101029814242Maker product pagetozostore.com/products/nc3-headphone.jsonRead 20 October 2026Store variant barcodes. Black is an EAN-13 and Rose Gold and Blue are UPC-A, all with valid check digits. The Light Green and Red entries are not valid barcodes and are left out.9Retailer pageamazon.com/dp/B0DGKWQMSMRead 21 October 2026Item details: UPC 810102981424 on the TOZO Amazon listing for Black. It has a valid check digit. The other three codes come from the maker store.

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

Available2Maker product pagetozostore.com/products/nc3-headphone.jsonRead 20 October 2026All five variants were for sale at $40.99 on 2026-10-20.

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 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

Black, Rose Gold, Blue, Light Green, Red2Maker product pagetozostore.com/products/nc3-headphone.jsonRead 20 October 2026Store colour options: Black, Rose Gold, Blue, Light Green, Red.

Segment

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

Music1Maker product pagetozostore.com/products/nc3-headphoneRead 20 October 2026TOZO files it under Headphones, In-Ear and Active Noise Cancelling.

Design

0 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 pagetozostore.com/products/nc3-headphoneRead 20 October 2026Store tag: In-Ear. The photos show sealed ear tips.

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 pagetozostore.com/products/nc3-headphoneRead 20 October 2026Maker product photos: each bud has a stalk with the TOZO name on it.

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

Either bud8Owner's manuals3-us.tozostore.com/tozo/pdfRenderer/web/docs/UserManual/TOZO/NC3.pdfRead 21 October 2026Section 5.2 Wearing one earbud: either L or R plays or pauses and skips tracks. Active noise cancellation is not available with a single earbud.

RGB lighting

Not available

Not available

Drivers and sound

6 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.

BTOZO NC3

Type	Diameter (mm)	Count per earbud
Dynamic	12	1

Source1Maker product pagetozostore.com/products/nc3-headphoneRead 20 October 2026Feature text and FAQ: 12mm dynamic drivers. The maker's cutaway image shows one driver in the bud.

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

Dynamic1Maker product pagetozostore.com/products/nc3-headphoneRead 20 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

12mm=CalculatedFrom Drivers per bud

Drivers per budiTotal audio transducers in one earbud, summed from explicit driver quantities. A row with an unknown quantity makes the total unknown.

1=CalculatedFrom Drivers per bud

1=CalculatedFrom Drivers per bud

Diaphragm material

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

Min20 HzMax20 kHz9Retailer pageamazon.com/dp/B0DGKWQMSMRead 21 October 2026Audio: Frequency Response 20 hertz with no upper limit. The review at reviewsbestheadphones.com gives 20 Hz to 20 kHz from the listing, so that range is stored. No tolerance or conditions are stated.11Reviewreviewsbestheadphones.com/tozo-nc3-reviewRead 21 October 2026Specifications taken from the listing: frequency response 20 Hz to 20 kHz. No conditions. The page gives no measured response.

Impedance

Not available

32Ω9Retailer pageamazon.com/dp/B0DGKWQMSMRead 21 October 2026Audio: Impedance 32 ohm. The listing also shows a sensitivity of 117 dB, while the WirelessEmporium review reads 100 dB from the listing, so sensitivity is left out.11Reviewreviewsbestheadphones.com/tozo-nc3-reviewRead 21 October 2026Specifications: 32 ohms, from the listing.

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

Not available

Not available

Sensitivity reference

Not available

Not available

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

Not available

Not available

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

Not available

Not available

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

Not available

Not available

Personalised soundiA profile from a hearing test or ear scan

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

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.

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

Not available

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.

Not available

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

3 of 11 differ

Active noise cancelling

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

Yes1Maker product pagetozostore.com/products/nc3-headphoneRead 20 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 pagetozostore.com/products/nc3-headphoneRead 20 October 2026Page headline: Hybrid Active Noise Cancelling. The product image labels a feedback ANC mic and a feedforward ANC mic on each bud.

ANC microphones in both earbudsiPhysical microphones used by ANC across the pair. A shared call and ANC microphone counts once. Case microphones and vibration sensors are excluded.

Not available

41Maker product pagetozostore.com/products/nc3-headphoneRead 20 October 2026Product image: each bud has a feedback ANC mic, a feedforward ANC mic and a separate talk mic. Counted across both buds.

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 pagetozostore.com/products/nc3-headphoneRead 20 October 2026FAQ: adaptive noise cancellation that automatically adjusts to your surroundings. The adjustment conditions are not stated.

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

Not available

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

50dB1Maker product 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.

45dB1Maker product pagetozostore.com/products/nc3-headphoneRead 20 October 2026Product image: 45 dB. The image also says it blocks out 99.5 percent of noise. No frequency or test conditions are stated.

Transparency mode

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

Yes1Maker product pagetozostore.com/products/nc3-headphoneRead 20 October 2026The app screenshot on the page shows a Transparency Mode button.

Adjustable transparency

Not available

Not available

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

Not available

Not available

Conversation detection

Not available

Not available

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

Yes1Maker product 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.

Yes1Maker product pagetozostore.com/products/nc3-headphoneRead 20 October 2026The app screenshot on the page shows a Reduce Wind Noise setting. This is a selectable setting, not a mesh or shape change.

Measured

5 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.

Not available

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

Not available

Not available

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

Not available

Not available

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

Not available

Not available

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

Not available

Not available

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

Not available

Not available

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

Not available

Not available

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

Not available

Not available

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

Not available

Not available

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

Not available

Not available

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

SoundGuys 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.

Not available

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

Not available

Not available

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

Not available

Not available

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

Not available

Not available

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

Not available

Not available

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

Not available

Not available

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

Not available

Not available

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

Not available

Not available

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

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.

BTOZO NC3

Not available

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)

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

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.

Not available

Microphones and calls

1 of 7 differ

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

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 pagetozostore.com/products/nc3-headphoneRead 20 October 2026Feature text: Crystal Clear Calls with a 6-mic ENC system that filters out background noise, and 6 built-in microphones. Stored as the 6 microphones the maker says serve calls across both earbuds. The product image labels a separate talk mic and two ANC mics on each bud, and the manual labels one Calling MIC per bud, so the call roles of the ANC microphones are the maker claim only.

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 pagetozostore.com/products/nc3-headphoneRead 20 October 2026Feature text: 6 built-in microphones. The product image shows 3 per bud. The FAQ also says triple-mic noise reduction.

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

Not available

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

8 of 18 differ

Chip

Not available

Not available

Connections

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

Bluetooth1Maker product pagetozostore.com/products/nc3-headphoneRead 20 October 2026

Bluetooth

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

5.31Maker product pagetozostore.com/products/nc3-headphoneRead 20 October 2026Feature text: Bluetooth 5.3. No codecs are listed.

Bluetooth codecs

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

Not available

Bluetooth profiles

Not available

Not available

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.

Not available

Auracast

Not available

Not available

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

Yes1Maker product 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.

No11Reviewreviewsbestheadphones.com/tozo-nc3-reviewRead 21 October 2026Review says the NC3 lacks a multi-device connection and lists multipoint as not supported. Another review calls multipoint not mentioned.

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

Not available

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.

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

Not available

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

20m9Retailer pageamazon.com/dp/B0DGKWQMSMRead 21 October 2026Connectivity: Bluetooth Range 20 meters. The maker store gives no range. This is the brand listing claim with no test conditions.

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

2 of 3 differ

Low latency mode

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

Yes1Maker product pagetozostore.com/products/nc3-headphoneRead 20 October 2026Feature text: low-latency mode. No latency figure is stated.

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.

BTOZO NC3

Connection	Latency (ms)
Bluetooth	45

Source9Retailer pageamazon.com/dp/B0DGKWQMSMRead 21 October 2026Audio: Audio Latency 45 milliseconds. The listing names no mode, so the row has no mode. The product page says low-latency mode reduces lag, so 45 ms may be the low-latency figure.

Lowest claimed latency

105ms=CalculatedFrom Claimed latency

45ms=CalculatedFrom Claimed latency

Compatibility

2 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, iOS9Retailer pageamazon.com/dp/B0DGKWQMSMRead 21 October 2026Item details: compatible with iOS and Android mainstream mobile phones, tablets, laptops and other Bluetooth devices. Only iOS and Android are named as platforms. The listing also gives a case size of 6.2 cm length, 26.5 mm width and 40.3 mm height without saying how the axes map to the case, so case_dimensions_mm is left out. The listing headline says 68H, the maker page says 55 hours in places.

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

BTOZO NC3

Not available

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.

BTOZO NC3

Not available

Official licence

Not available

Not available

Battery and charging

11 of 13 differ

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

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

50mAh4Maker product pagetozostore.com/blogs/news/tozo-earbuds-best-battery-lifeRead 20 October 2026Maker comparison table: NC3 battery capacity 50mAh in the earbuds and 500mAh in the charging case. Rated capacity per bud.

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.

BTOZO NC3

Mode	Includes case recharges	Hours (h)
ANC off	No	13
ANC off	Yes	55
ANC on	No	9.5
ANC on	Yes	40

Source3Maker product pagetozostore.com/blogs/news/nc3-vs-open-earring-fitness-comparisonRead 20 October 2026Maker blog: 13 hours on a single charge and 55 hours with the case with ANC off, up to 9.5 hours and up to 40 hours with the case with ANC on. The product page FAQ and image also give 55 hours. The product page headline and description say 68 hours. That 68 hour figure is not stored. No codec or volume is stated.

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

13h=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

9.5h=CalculatedFrom Claimed battery life

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

14h=CalculatedFrom Claimed battery life

13h=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

55h=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

40h=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.

Not available

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

Not available

The product page image lists 1.5 hours of fast charging for the earbuds and does not give a starting charge level or say whether the earbuds are full after it. The manual says a full charge for both the earbuds and the case takes approximately 2 hours, and that the case will not charge the earbuds when its own battery is below 5 percent.1Maker product pagetozostore.com/products/nc3-headphoneRead 20 October 2026Product image: 1.5 hrs fast charging for earbuds, next to the 13 hours and 55 hours figures. Nothing else says what the 1.5 hours measures.8Owner's manuals3-us.tozostore.com/tozo/pdfRenderer/web/docs/UserManual/TOZO/NC3.pdfRead 21 October 2026Section 7.3: a full charge for both the earbuds and the case needs approximately 2 hours. The case will not charge the earbuds when its battery is below 5 percent. Page 12: the charger must deliver between 2.5 W and 5.0 W, and 5.0 W gives the maximum charging speed.

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

10min5Reviewpocketgamer.com/hardware-reviews/tozo-nc3Read 20 October 2026Review of 2025-09-03: quick charge claim of 10 minutes for about 1 hour of use.

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.

1h5Reviewpocketgamer.com/hardware-reviews/tozo-nc3Read 20 October 2026Published as about 1 hour. ANC state, codec and volume are not stated. This is a claim, not a test.

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.

500mAh1Maker product pagetozostore.com/products/nc3-headphoneRead 20 October 2026Charging case label in the maker's product photo: 500mAh, 3.7V, 1.85Wh, rated.

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 pagetozostore.com/products/nc3-headphoneRead 20 October 2026Product image shows a USB-C port on the case.

Case full charge timeiBy cable, 0 to 100 %. A time the maker gives with the earbuds inside the case counts, and the source note says so.

Not available

120min8Owner's manuals3-us.tozostore.com/tozo/pdfRenderer/web/docs/UserManual/TOZO/NC3.pdfRead 21 October 2026Section 7.3: approximately 2 hours for both the earbuds and the case together by cable. The TOZO Amazon listing gives 1.5 hours for the case alone. The manual figure is stored with the earbuds inside the case.

Wireless charging

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

No6Reviewseriousinsights.net/tozo-nc3-earbudsRead 20 October 2026Review lists no wireless charging as a con. Charging is by the USB-C port on the case.

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

Yes1Maker product pagetozostore.com/products/nc3-headphoneRead 20 October 2026Page highlights: LED Digital Display on the case. It shows the charge of each bud and the case.

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

Not available

Not available

Controls

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

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

Touch3Maker product pagetozostore.com/blogs/news/nc3-vs-open-earring-fitness-comparisonRead 20 October 2026Maker blog spec table: smart touch controls, Yes. No gestures are listed.

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.

Touch8Owner's manuals3-us.tozostore.com/tozo/pdfRenderer/web/docs/UserManual/TOZO/NC3.pdfRead 21 October 2026Section 5.1: long press L lowers and long press R raises the volume on the touch area.

Gestures

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

Double tap left: previous song, Double tap right: next song, Tap left or right: play or pause music, Long press left: volume down, Long press right: volume up, Tap left or right on an incoming call: answer, Hold left or right for 2 seconds during a call: hang up, Hold left or right for 2 seconds on an incoming call: reject, Tap left once: switch between Transparency Mode and Active Noise Cancellation Mode, Triple tap left: switch back to Normal Mode, Triple tap right: wake up the voice assistant, Tap left five times: switch low-latency mode on or off8Owner's manuals3-us.tozostore.com/tozo/pdfRenderer/web/docs/UserManual/TOZO/NC3.pdfRead 21 October 2026Sections 5.1 to 5.6, English wording shortened. Left and right are the L and R touch areas.

Remappable controls

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

Yes8Owner's manuals3-us.tozostore.com/tozo/pdfRenderer/web/docs/UserManual/TOZO/NC3.pdfRead 21 October 2026Section 8.0: most controls are customizable in the TOZO app.

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.

Phone voice assistant8Owner's manuals3-us.tozostore.com/tozo/pdfRenderer/web/docs/UserManual/TOZO/NC3.pdfRead 21 October 2026Section 5.5: triple tap R wakes up the voice assistant. No assistant is named, so it is the phone assistant.

Sensors and health

2 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.

No6Reviewseriousinsights.net/tozo-nc3-earbudsRead 20 October 2026Review of 2025-02-18 lists no in-ear detection as a con.

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

Not available

Hearing protectioniLimits sudden loud sounds

Not available

Not available

Health features

Not available

Not available

Fit and durability

5 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

XXS, XS, S, M, L, XL8Owner's manuals3-us.tozostore.com/tozo/pdfRenderer/web/docs/UserManual/TOZO/NC3.pdfRead 21 October 2026Section 1.0 shows six pairs labelled XXS, XS, S, M, L and XL, with M pre-fitted. The TOZO Amazon listing names XS to XXL instead. The manual is stored.

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.

Not available

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

Not available

Not available

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

IPX81Maker product pagetozostore.com/products/nc3-headphoneRead 20 October 2026Page highlights: IPX8 water resistance for the earbuds.

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

TOZO app1Maker product pagetozostore.com/products/nc3-headphoneRead 20 October 2026Feature text: TOZO app with 32 preset EQs.

App platforms

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

Android, iOS7Reviewtechbuzzireland.com/2025/06/26/tozo-nc3-anc-earbuds-reviewRead 20 October 2026Review: the reviewer tested the TOZO app on Android and iOS.

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

Yes8Owner's manuals3-us.tozostore.com/tozo/pdfRenderer/web/docs/UserManual/TOZO/NC3.pdfRead 21 October 2026Section 8.0: the app notifies you of available earbud firmware updates once connected.

Finding network

Not available

Not available

Precision findingiUWB in the case

Not available

Not available

Live translation

Not available

Yes6Reviewseriousinsights.net/tozo-nc3-earbudsRead 20 October 2026Review: the TOZO app has real-time translation and face-to-face translation.

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

5g(0.2 oz)10Reviewbytesnbits.co.uk/tozo-nc3-earbudsRead 21 October 2026Review of 2 March 2025: the earbuds weigh 5 g each. Stated as a rounded figure. The Amazon listing gives 40.6 g for the full set and 31.2 g for the case, which fits about 5 g per earbud.

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.

31.2g(1.1 oz)9Retailer pageamazon.com/dp/B0DGKWQMSMRead 21 October 2026Measurements: Carrying Case Weight 31.2 g and Item Weight 40.6 g. Read as the empty case and the full set. The maker publishes no weight.

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

Not available

Communication certifications

Not available

Not available

FCC IDs

Not available

Not available

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.

Not available

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.

Earbuds, Charging case, Ear tips (XXS, XS, S, M, L, XL), USB to USB-C charging cable, User manual, Quick guide3Maker product pagetozostore.com/blogs/news/nc3-vs-open-earring-fitness-comparisonRead 20 October 2026Maker blog: 6 pairs of eartips in different sizes. The cable comes from the Pocket Gamer review. Pocket Gamer says the earbuds have no swappable ear cushions, which conflicts with the maker.8Owner's manuals3-us.tozostore.com/tozo/pdfRenderer/web/docs/UserManual/TOZO/NC3.pdfRead 21 October 2026Section 1.0: earbuds with M ear tips fitted, charging case, USB-C cable, extra ear tips, user manual and quick guide.

Cables included

ACMF Buds 2 Plus

Not available

BTOZO NC3

Type	Count
USB to USB-C charging cable	1

Source5Reviewpocketgamer.com/hardware-reviews/tozo-nc3Read 20 October 2026Review: the box includes a USB to USB-C cable. The length is not stated.

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

tozostore.com/products/nc3-headphone1Maker product pagetozostore.com/products/nc3-headphoneRead 20 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.

Not available

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.

s3-us.tozostore.com/tozo/pdfRenderer/web/docs/UserManual/TOZO/NC3.pdf8Owner's manuals3-us.tozostore.com/tozo/pdfRenderer/web/docs/UserManual/TOZO/NC3.pdfRead 21 October 2026English section on pages 3 to 12 of the NC3 manual on the maker file server. The manual lists no specification table, Bluetooth version, codec or weight.

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.

1.5years1Maker product pagetozostore.com/products/nc3-headphoneRead 20 October 2026Store banner: 12+6 months hassle-free warranty. Stored as 1.5 years for the TOZO US store.

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