arkivoAPI
Menu

Headsets and headphones / Compare

CMF Headphone Pro vs JBL Tune 770NC

Product A: CMF

Headphone Pro

90 of 161 known
Change CMF Headphone Pro

Compare the JBL Tune 770NC with

Product B: JBL

Tune 770NC

70 of 161 known
Change JBL Tune 770NC

Compare the CMF Headphone Pro with

65 of 152 fields differ

Download CSVDownload JSON
  • 28 different values
  • 37 known for one only
  • 28 the same
  • 59 missing for both

Biggest differences

Each bar uses the scale of all 149 headsets and headphones.

  1. Quick chargeA: 8hB: 3hCMF is 5 h higher.
  2. Battery life (claimed, max)A: 100hB: 70hCMF is 30 h higher.

Weight

0 to 400 g

Headset weight
A283g
B232g

All 161 fields

Every value links to where we found it.

ACMF Headphone Pro
BJBL Tune 770NC

General

5 of 8 differ
Series
Not available
Tune1Maker product pagejbl.com.sg/headphones-wireless/TUNE770NC.htmlRead 10 October 2026
Model numbers
B175, 69744342267221Maker product pageus.nothing.tech/products/cmf-headphone-proRead 8 October 2026Original manufacturer FCC manual identifies B175. Current US maker variant payload labels Dark Grey SKU 6974434226722. The numeric SKU is not stored as a GTIN without a barcode label.26Maker spec sheet (PDF)s3.zoommer.ge/site/certificate/nothing-cmf-headphone-pro.pdfRead 8 October 2026The signed original maker EU Declaration of Conformity identifies physical model B175 and battery M653035. Regulatory model identity is independent of the US color SKU. The signature date is not a retail release date.
TUNE770NC, JBLT770NCBLK1Maker product pagejbl.com.sg/headphones-wireless/TUNE770NC.htmlRead 10 October 2026Page SKU JBLT770NCBLK for Black. The EU declaration of conformity also covers TUNE775NC and TUNE777NC, which are not stored.
GTIN / EAN
Not available
69252819745261Maker product pagejbl.com.sg/headphones-wireless/TUNE770NC.htmlRead 10 October 2026EAN 6925281974526 is shown for the Black variant on the Singapore page.
Announced
29 September 202518Reviewsoundguys.com/the-cmf-headphone-pro-packs-high-end-specs-for-a-low-price-tag-145307Read 8 October 2026The September 29, 2025 launch report documents the announcement and separates UK/EU same-day availability from October 7 US availability. The partner press release corroborates the regional sales dates.
Not available
Status
Available1Maker product pageus.nothing.tech/products/cmf-headphone-proRead 8 October 2026The exact Dark Grey US variant payload states availableForSale true.
Available1Maker product pagejbl.com.sg/headphones-wireless/TUNE770NC.htmlRead 10 October 2026Sold on the maker page.
Predecessor
Not available
Not available
Successor
Not available
Not available
Launch price (US)
$9916Press releasestorage.mfn.se/194a0e7c-3d3b-4dc0-bde1-0e70c39715f9/audiodo-and-cmf-by-nothing-expand-partnership-with-new-headphone-pro.pdfRead 8 October 2026The September 30, 2025 Audiodo maker-partner release expressly lists USD 99 and US sales beginning October 7, 2025. Current retail prices and EU regional pricing are not substituted.
$129.956Press articlesoundguys.com/jbl-new-tune-live-headphones-107236Read 10 October 2026SoundGuys CES news of 8 January 2024 lists $129.95 for the Tune 770NC in the US range, available March 2024. The article shows a $ sign without a currency code and is read as USD. The model sold earlier: Japan from 7 July 2023.
Launch price (EU)
Not available
Not available
Markets
US1Maker product pageus.nothing.tech/products/cmf-headphone-proRead 8 October 2026The current US maker store offers the exact Dark Grey reference.
Not available
Colours
Dark Grey1Maker product pageus.nothing.tech/products/cmf-headphone-proRead 8 October 2026The reference is the original Dark Grey headset with its fitted Dark Grey cushions. Other headset finishes and separately sold cushion colors are excluded.
Black, Blue, Purple, White1Maker product pagejbl.com.sg/headphones-wireless/TUNE770NC.htmlRead 10 October 2026
Segment
Music1Maker product pageus.nothing.tech/products/cmf-headphone-proRead 8 October 2026The maker positions the product for music listening and audio playback.
Music1Maker product pagejbl.com.sg/headphones-wireless/TUNE770NC.htmlRead 10 October 2026Activity: Leisure

Design

1 of 7 differ
Form factor
Over-ear1Maker product pageus.nothing.tech/products/cmf-headphone-proRead 8 October 2026The maker explicitly describes its first over-ear headphones.
Over-ear1Maker product pagejbl.com.sg/headphones-wireless/TUNE770NC.htmlRead 10 October 2026
Ear cup enclosure
Closed11Spec databasesoundguys.com/product/cmf-by-nothing-headphone-proRead 8 October 2026The exact Acoustic Design field states Closed-back. Tom's Guide specifications corroborate this.
Closed3Spec databasesoundguys.com/product/jbl-tune-770ncRead 10 October 2026Acoustic design: closed-back
Wearing style
Headband1Maker product pageus.nothing.tech/products/cmf-headphone-proRead 8 October 2026The maker comfort section describes the adjustable headband. The original guide documents adjustment by sliding the arms.
Headband1Maker product pagejbl.com.sg/headphones-wireless/TUNE770NC.htmlRead 10 October 2026
Folding
Flat12Reviewsoundguys.com/cmf-headphone-pro-review-a-solid-b-side-146595Read 8 October 2026The exact review states that the headphones rotate flat for storage but do not fold inward.
Flat and inward1Maker product pagejbl.com.sg/headphones-wireless/TUNE770NC.htmlRead 10 October 2026Features list "Flat-fold design" and "Foldable". The folded product image shows the ear cups rotated flat and folded toward the headband.
Swivelling ear cups
Yes12Reviewsoundguys.com/cmf-headphone-pro-review-a-solid-b-side-146595Read 8 October 2026The exact design discussion explicitly describes flat rotation of the ear cups.
Yes1Maker product pagejbl.com.sg/headphones-wireless/TUNE770NC.htmlRead 10 October 2026Flat-fold design
RGB lighting
Not available
Not available
Lighting zones
Not available
Not available

Drivers and sound

8 of 20 differ
Driver type
Dynamic11Spec databasesoundguys.com/product/cmf-by-nothing-headphone-proRead 8 October 2026The exact product specifications explicitly state Dynamic driver. Voice-coil material alone is not used as transducer-type proof.
Dynamic1Maker product pagejbl.com.sg/headphones-wireless/TUNE770NC.htmlRead 10 October 2026QSG: 40 mm / 1.57 in dynamic driver.2Owner's manualjbl.com.sg/on/demandware.static/-/Sites-masterCatalog_Harman/default/dwe034d829/pdfs/JBL_TUNE%20770NC_QSG_Multilingual.pdfRead 10 October 2026
Driver size
40mm1Maker product pageus.nothing.tech/products/cmf-headphone-proRead 8 October 2026The labelled Drivers table and Packed with Power section state 40 mm. The 16.5 mm copper voice coil is not a driver diameter.
40mm1Maker product pagejbl.com.sg/headphones-wireless/TUNE770NC.htmlRead 10 October 20262Owner's manualjbl.com.sg/on/demandware.static/-/Sites-masterCatalog_Harman/default/dwe034d829/pdfs/JBL_TUNE%20770NC_QSG_Multilingual.pdfRead 10 October 2026Driver size 40 mm / 1.57 in dynamic driver.
Drivers per side
Not available
13Spec databasesoundguys.com/product/jbl-tune-770ncRead 10 October 2026Driver count: 1
Diaphragm material
PEN+PU dome with nickel plating1Maker product pageus.nothing.tech/products/cmf-headphone-proRead 8 October 2026The labelled Diaphragm table states PEN+PU dome material and nickel plating. Magnet material is not stated.
Not available
Magnet
Not available
Not available
Frequency response (wired or passive)
Min20 HzMax20 kHz11Spec databasesoundguys.com/product/cmf-by-nothing-headphone-proRead 8 October 2026The exact product specifications state 20 to 20,000 Hz acoustic frequency response. Tom's Guide independently labels the same frequency response. No mode, tolerance, or test level is stated. The maker's ambiguous RF label is not used as transmission bandwidth proof.
Min20 HzMax20 kHz1Maker product pagejbl.com.sg/headphones-wireless/TUNE770NC.htmlRead 10 October 2026Dynamic frequency response range 20 Hz - 20 kHz2Owner's manualjbl.com.sg/on/demandware.static/-/Sites-masterCatalog_Harman/default/dwe034d829/pdfs/JBL_TUNE%20770NC_QSG_Multilingual.pdfRead 10 October 2026Frequency response 20 Hz - 20 kHz
Wireless audio transmission band
Not available
Not available
Impedance (passive when specified)
16Ω11Spec databasesoundguys.com/product/cmf-by-nothing-headphone-proRead 8 October 2026The exact product specifications state 16 ohms. The Tom's Guide specification table agrees. Frequency and powered/passive measurement state are unspecified. Unverified comparison sites give conflicting figures and are excluded.
32Ω1Maker product pagejbl.com.sg/headphones-wireless/TUNE770NC.htmlRead 10 October 202632 ohms2Owner's manualjbl.com.sg/on/demandware.static/-/Sites-masterCatalog_Harman/default/dwe034d829/pdfs/JBL_TUNE%20770NC_QSG_Multilingual.pdfRead 10 October 2026
Sensitivity (passive when specified)
Not available
100dB1Maker product pagejbl.com.sg/headphones-wireless/TUNE770NC.htmlRead 10 October 2026Driver sensitivity at 1 kHz / 1 mW: 100 dB. The page does not say whether this is the wired passive state.2Owner's manualjbl.com.sg/on/demandware.static/-/Sites-masterCatalog_Harman/default/dwe034d829/pdfs/JBL_TUNE%20770NC_QSG_Multilingual.pdfRead 10 October 2026Sensitivity 100 dB SPL at 1 kHz.
Sensitivity reference
Not available
Per 1 mW1Maker product pagejbl.com.sg/headphones-wireless/TUNE770NC.htmlRead 10 October 2026Maker states the sensitivity per 1 mW.
THD (claimed)
Not available
Not available
Max input power
Not available
Not available
Max digital audio sample rate
Not available
Not available
Max digital audio bit depth
Not available
Not available
DAC
Not available
Not available
Personalised sound
Yes1Maker product pageus.nothing.tech/products/cmf-headphone-proRead 8 October 2026The exact maker Personal Sound feature uses Audiodo to create a hearing profile through a three-minute test in Nothing X. The resulting profile is stored directly on the headphones and remains applied across connected devices. This is hearing-test personalization, separate from the manual three-band equalizer and Energy Slider.
Not available
Onboard EQ
Not available
Not available
Custom EQ bands
312Reviewsoundguys.com/cmf-headphone-pro-review-a-solid-b-side-146595Read 8 October 2026The exact reviewer reports a three-band custom EQ in Nothing X. Firmware 1.0.1.40. No advanced Headphone (1) parametric EQ is transferred.
Not available
EQ presets
Pop, Rock, Electronic, Enhance Vocals, Classical20Maker product pagesupport.nothing.tech/hc/en-us/sections/38910294951441-Product-FeatureRead 8 October 2026The exact equalizer support article names five default profiles: POP, ROCK, ELECTRONIC, ENHANCE VOCALS, and CLASSICAL. Custom mode is not counted as a named preset. Marketing prose calls six preset EQs but does not name a sixth.
Not available
Volume limit
Not available
Not available

Spatial audio

1 of 3 differ
Spatial audio support
Static Spatial Audio: Cinema mode, Static Spatial Audio: Concert mode1Maker product pageus.nothing.tech/products/cmf-headphone-proRead 8 October 2026The maker explicitly names Static Spatial Audio with Cinema and Concert modes. These are supported headphone processing modes. No Dolby license or dynamic head tracking is inferred.
Not available
Spatial audio licence included
Not available
Not available
Head tracking
Not available
Not available

Noise cancelling

4 of 10 differ
Active noise cancelling
Yes5Maker product pagesupport.nothing.tech/hc/en-us/sections/38910294951441-Product-FeatureRead 8 October 2026The exact support article explicitly confirms Active Noise Cancellation.
Yes1Maker product pagejbl.com.sg/headphones-wireless/TUNE770NC.htmlRead 10 October 2026
ANC type
Hybrid1Maker product pageus.nothing.tech/products/cmf-headphone-proRead 8 October 2026The labelled Noise Cancellation Type table states Hybrid ANC.
Hybrid5Press articleav.watch.impress.co.jp/docs/news/1514622.htmlRead 10 October 2026AV Watch, 7 July 2023: hybrid ANC using both feedforward and feedback microphones. The article says sales began that day in Japan.
ANC microphones
Not available
Not available
Adaptive ANC
Yes1Maker product pageus.nothing.tech/products/cmf-headphone-proRead 8 October 2026The maker explains automatic movement between strong, moderate, and light cancellation based on surroundings. Adaptive is not counted as an extra manual strength level.
Yes1Maker product pagejbl.com.sg/headphones-wireless/TUNE770NC.htmlRead 10 October 2026Marketed as Adaptive Noise Cancelling. Ambient Aware and TalkThru are the ambient modes.
ANC levels
315Reviewtomsguide.com/audio/headphones/cmf-by-nothing-headphone-pro-reviewRead 8 October 2026The exact ANC discussion names Low, Mid, High, and Adaptive within ANC On. Only the three fixed strength levels are counted. Adaptive, Transparency, and Off are excluded.
Not available
ANC attenuation (claimed)
40dB5Maker product pagesupport.nothing.tech/hc/en-us/sections/38910294951441-Product-FeatureRead 8 October 2026The exact ANC support article states up to 40 dB. Frequency, weighting, and test method for this maximum are unspecified. The technical table also lists 2000 Hz as Frequency range, which does not establish a measurement frequency. The separate 99% marketing limit is not converted to dB.
Not available
Transparency mode
Yes1Maker product pageus.nothing.tech/products/cmf-headphone-proRead 8 October 2026The maker expressly documents Transparency Mode to hear surroundings.
Yes1Maker product pagejbl.com.sg/headphones-wireless/TUNE770NC.htmlRead 10 October 2026Ambient Aware and TalkThru, switched in the JBL Headphones app or on the headphones.
Adjustable transparency
Not available
Yes3Spec databasesoundguys.com/product/jbl-tune-770ncRead 10 October 2026Ambient mode: adjustable level
Conversation detection
Not available
Not available
Wind noise reduction
Yes1Maker product pageus.nothing.tech/products/cmf-headphone-proRead 8 October 2026The labelled Noise Cancellation Features table states Wind Noise Conduction Mesh. This is a physical mesh feature, not an inferred selectable wind-processing mode.
Not available

Measured

4 of 21 differ
Frequency response notes
Changing the bass slider from minimum to maximum increases low-frequency output. The reviewer reports upper-frequency roll-off above about 8 kHz.12Reviewsoundguys.com/cmf-headphone-pro-review-a-solid-b-side-146595Read 8 October 2026SoundGuys compares minimum and maximum bass-slider responses against its preference curve. Firmware 1.0.1.40. Host and codec are unspecified. The reported approximately 8 dB slider difference is not converted into a target-relative averaged bass metric.
Not available
Bass amount
Not available
Not available
Treble amount
Not available
Not available
Deviation from target
Not available
Not available
Consistency between fittings
Not available
Not available
Harmonic distortion
Not available
Not available
Sound leakage
Not available
Not available
Measured noise isolation
Not available
Not available
Noise isolation (measured, best)
Not available
Not available
Passive isolation (measured)
Not available
Not available
Mic quality notes
Recorded calls remain intelligible, but speech sounds unnatural and includes some pops and crackles.12Reviewsoundguys.com/cmf-headphone-pro-review-a-solid-b-side-146595Read 8 October 2026The exact reviewer reports intelligible speech and noise rejection with some pops and crackles. Recordings cover ideal, office, street, wind, and reverberant conditions. Firmware 1.0.1.40. Host, codec, and call processing settings are unspecified.
Not available
Mic low-frequency extension
Not available
Not available
Mic high-frequency extension
Not available
Not available
Mic speech-to-noise ratio
Not available
Not available
Measured latency
Not available
Not available
Bluetooth latency (measured, worst)
Not available
Not available
2.4 GHz latency (measured, worst)
Not available
Not available
Measured battery life
ACMF Headphone Pro
ANCHours (h)
Yes43.15
Yes49.5
Source12Reviewsoundguys.com/cmf-headphone-pro-review-a-solid-b-side-146595Read 8 October 2026First row: SoundGuys standardized test measured 43 hours 9 minutes with ANC on. Firmware 1.0.1.40, one-week supplied review unit. Connection, host, codec, playback level, and ANC strength are unspecified. Second row has a separate TechRadar source below.14Reviewtechradar.com/audio/wireless-headphones/cmf-by-nothing-headphone-pro-reviewRead 8 October 2026TechRadar depleted a full battery and measured 49.5 hours with ANC enabled during its four-week review. Its source devices include MacBook Pro, iPhone 15 Pro Max, and FiiO M15S, but the exact battery-test connection, codec, volume, ANC strength, and firmware are unspecified. The separate row is not pooled with SoundGuys.
BJBL Tune 770NC
Not available
Battery life (measured, max)
49.5h
Not available
Clamping force
Not available
Not available
Weight (measured)
Not available
Not available

Microphone

5 of 16 differ
Microphone
Built-in6Maker product pagesupport.nothing.tech/hc/en-us/sections/38910365859601-How-toRead 8 October 2026The controls and call documentation describe the on-headphone microphone, including its configurable on/off function. No detachable boom is supplied.25Reviewrtings.com/headphones/reviews/cmf/headphone-proRead 8 October 2026The exact public Office Work verdict explicitly describes an integrated microphone. No boom or in-line microphone is substituted.
Built-in1Maker product pagejbl.com.sg/headphones-wireless/TUNE770NC.htmlRead 10 October 2026
Microphone element
Not available
Not available
Microphone pickup pattern
Not available
Not available
Voice microphones
31Maker product pageus.nothing.tech/products/cmf-headphone-proRead 8 October 2026The feature table states a three-microphone ENC architecture for calls. Its separate five-microphone total is not substituted for this voice count or an unproven ANC count.
11Maker product pagejbl.com.sg/headphones-wireless/TUNE770NC.htmlRead 10 October 2026Number of Microphones: 1
Total microphones
528Maker product pageus.nothing.tech/products/cmf-headphone-proRead 8 October 2026The exact maker Noise Cancellation technical table explicitly states 5 MICS TOTAL. This is the complete physical headset total. The separate three-microphone ENC call architecture remains a voice-role count, and no ANC count is derived from those overlapping roles.
Not available
Mic frequency response
Not available
Not available
Mic sensitivity
Not available
-40dB2Owner's manualjbl.com.sg/on/demandware.static/-/Sites-masterCatalog_Harman/default/dwe034d829/pdfs/JBL_TUNE%20770NC_QSG_Multilingual.pdfRead 10 October 2026Microphone sensitivity -40 dBV/Pa at 1 kHz.
Mic signal-to-noise
Not available
Not available
Mic sample rate
Not available
Not available
Mic noise reduction
Not available
Not available
Flip to mute
Not available
Not available
Mute button
Yes6Maker product pagesupport.nothing.tech/hc/en-us/sections/38910365859601-How-toRead 8 October 2026The support controls list explicitly includes Mic on/off as an optional configurable button function on all platforms. This requires selecting the function in the app.
Not available
Mute indicator
Not available
Not available
Sidetone
No13Reviewtechradar.com/audio/wireless-headphones/cmf-by-nothing-headphone-pro-reviewRead 8 October 2026The exact Don't buy section explicitly says the product lacks sidetone for hearing your own voice during calls.
Yes1Maker product pagejbl.com.sg/headphones-wireless/TUNE770NC.htmlRead 10 October 2026VoiceAware lets you hear your own voice during calls. The QSG marks VoiceAware as Android only.
Adjustable sidetone
Not available
Not available
Foam microphone windscreen
Not available
Not available

Connectivity

7 of 20 differ
Audio connections
Analog, Bluetooth5Maker product pagesupport.nothing.tech/hc/en-us/sections/38910294951441-Product-FeatureRead 8 October 2026The exact Audio formats and wired connection articles document Bluetooth and analog AUX playback. USB-C is charging only.
Bluetooth, Analog1Maker product pagejbl.com.sg/headphones-wireless/TUNE770NC.htmlRead 10 October 2026
Analog source plugs
Not available
Not available
Cable connector on headset
3.5 mm10Owner's manualfccid.io/2AZEQ-B175/User-Manual/Users-Manual-8638814.pdfRead 8 October 2026The original guide expressly labels the left ear cup 3.5 mm Audio In.
3.5 mm1Maker product pagejbl.com.sg/headphones-wireless/TUNE770NC.htmlRead 10 October 2026Detachable audio cable. Headset-side plug is a 3.5 mm jack per the SoundGuys listing (Headphone jack: yes).3Spec databasesoundguys.com/product/jbl-tune-770ncRead 10 October 2026Headphone jack: yes
Longest included cable
1.2m1Maker product pageus.nothing.tech/products/cmf-headphone-proRead 8 October 2026The maker package inventory contains only the supplied 1.2 m analog cable. The reviewer's approximate 2.7-foot cable description does not override the manufacturer claim.
1.2m1Maker product pagejbl.com.sg/headphones-wireless/TUNE770NC.htmlRead 10 October 2026Audio cable length 1.2 m (3.9 ft).
Headset USB plug or port
USB-C10Owner's manualfccid.io/2AZEQ-B175/User-Manual/Users-Manual-8638814.pdfRead 8 October 2026The original English Quick Start Guide identifies USB-C Charge In on the right ear cup.
USB-C1Maker product pagejbl.com.sg/headphones-wireless/TUNE770NC.htmlRead 10 October 2026USB Type-C charging cable.
Audio over USB-C cable
No5Maker product pagesupport.nothing.tech/hc/en-us/sections/38910294951441-Product-FeatureRead 8 October 2026The exact wired connection article expressly says 3.5 mm aux-in is supported and USB-C Audio is not.
Not available
Passive wired listening
No13Reviewtechradar.com/audio/wireless-headphones/cmf-by-nothing-headphone-pro-reviewRead 8 October 2026The exact review explicitly states that wired 3.5 mm listening requires the headphones powered on and does not work passively.
Not available
Wireless receiver
Not available
None1Maker product pagejbl.com.sg/headphones-wireless/TUNE770NC.htmlRead 10 October 2026
Wireless receiver connector
Not available
Not available
Wireless range (claimed)
10m1Maker product pageus.nothing.tech/products/cmf-headphone-proRead 8 October 2026The labelled Connection range table states 10 m. Indoor or line-of-sight test conditions are not specified. The Tom's Guide generic Bluetooth 800-foot statement is excluded.
Not available
Bluetooth
5.45Maker product pagesupport.nothing.tech/hc/en-us/sections/38910294951441-Product-FeatureRead 8 October 2026The exact Bluetooth version article states Bluetooth 5.4.
5.31Maker product pagejbl.com.sg/headphones-wireless/TUNE770NC.htmlRead 10 October 2026Bluetooth 5.3. LE Audio is promised via a later OTA update and is not stored.2Owner's manualjbl.com.sg/on/demandware.static/-/Sites-masterCatalog_Harman/default/dwe034d829/pdfs/JBL_TUNE%20770NC_QSG_Multilingual.pdfRead 10 October 2026
Bluetooth codecs
SBC, AAC, LDAC5Maker product pagesupport.nothing.tech/hc/en-us/sections/38910294951441-Product-FeatureRead 8 October 2026The exact Audio formats article expressly lists SBC, AAC, and LDAC. iOS lacks LDAC support according to the separate LDAC instructions.6Maker product pagesupport.nothing.tech/hc/en-us/sections/38910365859601-How-toRead 8 October 2026The exact LDAC instructions state 96 kHz, 24-bit, and 990 kbps for Bluetooth streaming with a compatible Android phone and high-quality audio enabled. Higher-bitrate LDAC recommends disabling Dual Connection. These limits apply to LDAC Bluetooth playback. The headset does not support USB-C cable audio.
SBC, AAC3Spec databasesoundguys.com/product/jbl-tune-770ncRead 10 October 2026Bluetooth codecs: AAC, SBC
LE Audio
Not available
Not available
Auracast
Not available
Not available
Bluetooth multipoint
Yes6Maker product pagesupport.nothing.tech/hc/en-us/sections/38910365859601-How-toRead 8 October 2026The exact Dual Connection instructions document two simultaneous Bluetooth source connections with audio switching. This is disabled by default and requires enabling in Nothing X.
Yes1Maker product pagejbl.com.sg/headphones-wireless/TUNE770NC.htmlRead 10 October 2026Multi-Point connection2Owner's manualjbl.com.sg/on/demandware.static/-/Sites-masterCatalog_Harman/default/dwe034d829/pdfs/JBL_TUNE%20770NC_QSG_Multilingual.pdfRead 10 October 2026Multi-point connection, maximum 2 devices.
Multipoint devices
26Maker product pagesupport.nothing.tech/hc/en-us/sections/38910365859601-How-toRead 8 October 2026The instructions repeatedly specify two connected devices. A third device can preempt one connection. This is not three simultaneous devices or pairing memory.
21Maker product pagejbl.com.sg/headphones-wireless/TUNE770NC.htmlRead 10 October 20262Owner's manualjbl.com.sg/on/demandware.static/-/Sites-masterCatalog_Harman/default/dwe034d829/pdfs/JBL_TUNE%20770NC_QSG_Multilingual.pdfRead 10 October 2026Maximum 2 devices
Paired devices remembered
Not available
Not available
Mixes 2.4 GHz and Bluetooth audio
Not available
Not available
Fast pairing
Google Fast Pair, Microsoft Swift Pair23Maker product pagesupport.nothing.tech/hc/en-us/articles/38910344910225-Does-CMF-Headphone-Pro-support-Google-Fast-PairRead 8 October 2026The exact product support article explicitly confirms the named quick-pairing feature. Google Fast Pair needs a compatible Android source. Microsoft Swift Pair is the Windows route. Neither adds USB audio.24Maker product pagesupport.nothing.tech/hc/en-us/articles/38910328918545-Does-CMF-Headphone-Pro-support-Mircosoft-Swift-PairRead 8 October 2026The exact product support article explicitly confirms the named quick-pairing feature. Google Fast Pair needs a compatible Android source. Microsoft Swift Pair is the Windows route. Neither adds USB audio.
Google Fast Pair, Microsoft Swift Pair2Owner's manualjbl.com.sg/on/demandware.static/-/Sites-masterCatalog_Harman/default/dwe034d829/pdfs/JBL_TUNE%20770NC_QSG_Multilingual.pdfRead 10 October 2026The pairing page shows Android 6.0+ pairing from devices linked to the Google account and Microsoft Swift Pair for Windows 10 v1803+.
Base station
Not available
Not available

Latency

1 of 2 differ
Low latency mode
Yes7Maker product pagesupport.nothing.tech/hc/en-us/articles/38910343614737-Does-CMF-Headphone-Pro-support-low-latency-modeRead 8 October 2026The exact support article confirms low-latency mode.
Yes1Maker product pagejbl.com.sg/headphones-wireless/TUNE770NC.htmlRead 10 October 2026Smart Audio & Video feature in the JBL Headphones app: Audio mode for sound quality, Video mode for gaming and video.
Claimed latency
ACMF Headphone Pro
ConnectionModeLatency (ms)
BluetoothGame Mode on Nothing Phone120
Source7Maker product pagesupport.nothing.tech/hc/en-us/articles/38910343614737-Does-CMF-Headphone-Pro-support-low-latency-modeRead 8 October 2026The maker states less than 120 ms when connected to a Nothing Phone in Game Mode. The stored value is the upper bound of that claim, not a measured result. Codec and firmware are unspecified. Generic analog zero-latency reviewer prose is not stored as an end-to-end result.
BJBL Tune 770NC
Not available

Compatibility

2 of 3 differ
Compatible platforms
Android, iOS, Windows, macOS20Maker product pagesupport.nothing.tech/hc/en-us/sections/38910294951441-Product-FeatureRead 8 October 2026Exact maker compatibility support names Android 6.0 or later and iOS 13 or later. Swift Pair support and exact SoundGuys setup instructions establish Windows Bluetooth. The exact Tom's Guide reviewer listened through the supplied analog cable on a MacBook Air M2. No console route is inferred from a physical jack.21Reviewtomsguide.com/audio/headphones/cmf-by-nothing-headphone-pro-reviewRead 8 October 2026Exact maker compatibility support names Android 6.0 or later and iOS 13 or later. Swift Pair support and exact SoundGuys setup instructions establish Windows Bluetooth. The exact Tom's Guide reviewer listened through the supplied analog cable on a MacBook Air M2. No console route is inferred from a physical jack.
Android, iOS, Windows2Owner's manualjbl.com.sg/on/demandware.static/-/Sites-masterCatalog_Harman/default/dwe034d829/pdfs/JBL_TUNE%20770NC_QSG_Multilingual.pdfRead 10 October 2026Pairing page names Android 6.0+ and Windows 10 v1803+ plus other Bluetooth devices. iOS is covered by the JBL Headphones app listing and Siri support. Playback over Bluetooth only. No microphone support per platform is documented.3Spec databasesoundguys.com/product/jbl-tune-770ncRead 10 October 2026iOS is inferred from the iOS companion app and Siri support. Bluetooth works with other hosts.
Connection per platform
ACMF Headphone Pro
PlatformConnectionMicrophone works
AndroidBluetoothYes
iOSBluetoothYes
WindowsBluetoothNot available
macOSAnalogNo
Source20Maker product pagesupport.nothing.tech/hc/en-us/sections/38910294951441-Product-FeatureRead 8 October 2026Android/iOS Bluetooth playback and voice calls are explicitly documented by maker compatibility and controls articles. Windows Bluetooth is documented by exact Swift Pair and reviewer pairing instructions. The exact Tom's Guide reviewer used analog playback on a MacBook Air M2 and explains that the supplied cable does not carry headphone microphone calls. Unknown Windows microphone behavior is omitted.21Reviewtomsguide.com/audio/headphones/cmf-by-nothing-headphone-pro-reviewRead 8 October 2026Android/iOS Bluetooth playback and voice calls are explicitly documented by maker compatibility and controls articles. Windows Bluetooth is documented by exact Swift Pair and reviewer pairing instructions. The exact Tom's Guide reviewer used analog playback on a MacBook Air M2 and explains that the supplied cable does not carry headphone microphone calls. Unknown Windows microphone behavior is omitted.
BJBL Tune 770NC
PlatformConnection
AndroidBluetooth
iOSBluetooth
WindowsBluetooth
Source2Owner's manualjbl.com.sg/on/demandware.static/-/Sites-masterCatalog_Harman/default/dwe034d829/pdfs/JBL_TUNE%20770NC_QSG_Multilingual.pdfRead 10 October 2026Bluetooth pairing for each platform. Wired listening is not tied to a platform.
Official licence
Not available
Not available

Battery and charging

7 of 13 differ
Battery capacity
720mAh4Maker product pagesupport.nothing.tech/hc/en-us/articles/38910303499409-What-is-the-battery-capacity-of-CMF-Headphone-ProRead 8 October 2026The exact support article states 720 mAh. The maker technical table agrees. Rated versus typical capacity is not specified. This is the headset battery, not a nonexistent case battery.
690mAh2Owner's manualjbl.com.sg/on/demandware.static/-/Sites-masterCatalog_Harman/default/dwe034d829/pdfs/JBL_TUNE%20770NC_QSG_Multilingual.pdfRead 10 October 2026Lithium-ion battery 690 mAh / 3.7 V (2.55 Wh).4Maker spec sheet (PDF)jbl.com.sg/on/demandware.static/-/Sites-masterCatalog_Harman/default/dwddf61fcd/pdfs/JBL%20Tune%20770NC_Specsheet_EN.pdfRead 10 October 2026Battery type: lithium-ion 690 mAh / 3.7 V
Swappable battery
No10Owner's manualfccid.io/2AZEQ-B175/User-Manual/Users-Manual-8638814.pdfRead 8 October 2026The original English safety section expressly instructs users not to replace the battery themselves. Normal battery hot swapping is unsupported.
Not available
Batteries included
Not available
Not available
Claimed battery life
ACMF Headphone Pro
ConnectionANCCodecHours (h)
BluetoothNoAAC100
BluetoothYesAAC50
BluetoothNoLDAC70
BluetoothYesLDAC38
Source2Maker product pagesupport.nothing.tech/hc/en-us/articles/38910279111569-What-s-the-battery-life-of-CMF-Headphone-ProRead 8 October 2026The exact support article separately names AAC and LDAC playback with ANC off/on. The current maker technical table matches all four rows at 50% volume. Nothing laboratory temperature is 25°C. The support footnote says AAC even beneath LDAC rows, so the explicitly labelled codec rows govern. Talk and standby durations are excluded. The copied product disclaimer erroneously states 50 hours with ANC off and is not used.
BJBL Tune 770NC
ConnectionANCHours (h)
BluetoothNo70
BluetoothYes44
AnalogYes30
Source1Maker product pagejbl.com.sg/headphones-wireless/TUNE770NC.htmlRead 10 October 2026Up to 70 h with Bluetooth on and ANC off, 44 h with ANC on. Wired with ANC on 30 h (QSG).2Owner's manualjbl.com.sg/on/demandware.static/-/Sites-masterCatalog_Harman/default/dwe034d829/pdfs/JBL_TUNE%20770NC_QSG_Multilingual.pdfRead 10 October 2026Music playtime with BT on: up to 70 h with ANC off, up to 44 h with ANC on. BT off and ANC on (wired): up to 30 h. Talk time up to 39 h with ANC off and 30 h with ANC on.4Maker spec sheet (PDF)jbl.com.sg/on/demandware.static/-/Sites-masterCatalog_Harman/default/dwddf61fcd/pdfs/JBL%20Tune%20770NC_Specsheet_EN.pdfRead 10 October 2026Music playtime BT on ANC off up to 70 hrs, BT on ANC on up to 44 hrs, BT off ANC on up to 30 hrs. The 30 hrs row is the wired ANC figure.
Battery life (claimed, max)
100h
70h
Battery life with ANC (claimed)
50h
44h
Battery life without ANC (claimed)
100h
70h
Charging port
USB-C10Owner's manualfccid.io/2AZEQ-B175/User-Manual/Users-Manual-8638814.pdfRead 8 October 2026The original guide charging diagram identifies USB-C Charge In. Current exact support limits charging input to 5 W.
USB-C1Maker product pagejbl.com.sg/headphones-wireless/TUNE770NC.htmlRead 10 October 2026
Full charge time
120min1Maker product pageus.nothing.tech/products/cmf-headphone-proRead 8 October 2026The labelled Charging table states Type-C wired charging to full in 120 minutes. The feature text says under two hours. The numeric table estimate is retained without using the copied case-related disclaimer.
120min1Maker product pagejbl.com.sg/headphones-wireless/TUNE770NC.htmlRead 10 October 2026Charging time 2 hours from empty2Owner's manualjbl.com.sg/on/demandware.static/-/Sites-masterCatalog_Harman/default/dwe034d829/pdfs/JBL_TUNE%20770NC_QSG_Multilingual.pdfRead 10 October 2026
Quick charge time
5min3Maker product pagesupport.nothing.tech/hc/en-us/articles/38910318874897-Does-CMF-Headphone-Pro-support-fast-chargingRead 8 October 2026The exact current support article states a five-minute charge. The maker technical table agrees.
5min1Maker product pagejbl.com.sg/headphones-wireless/TUNE770NC.htmlRead 10 October 2026
Quick charge playback
8h3Maker product pagesupport.nothing.tech/hc/en-us/articles/38910318874897-Does-CMF-Headphone-Pro-support-fast-chargingRead 8 October 2026Five minutes gives eight hours with ANC off or four hours with ANC on. The stored maximum is eight hours with ANC off, AAC, 50% volume, and 25°C laboratory temperature. Marketing prose and older announcements quote four or five hours without consistent ANC conditions and are excluded.
3h1Maker product pagejbl.com.sg/headphones-wireless/TUNE770NC.htmlRead 10 October 2026A quick 5-minute recharge gives 3 additional hours of music.
Use while charging
Not available
Not available
Charging dock or stand
Not available
Not available

Controls

4 of 6 differ
Controls
Buttons, Volume wheel, Slider6Maker product pagesupport.nothing.tech/hc/en-us/sections/38910365859601-How-toRead 8 October 2026The original guide and current support describe Power/BT and shortcut buttons plus a pressable Roller that controls volume. A separate physical Energy Slider adjusts bass or treble after selecting its tuning mode in Nothing X.
Buttons1Maker product pagejbl.com.sg/headphones-wireless/TUNE770NC.htmlRead 10 October 2026Buttons on the ear cup. No touch controls are listed.
Volume control
Wheel6Maker product pagesupport.nothing.tech/hc/en-us/sections/38910365859601-How-toRead 8 October 2026The exact volume article states rolling the knob up/down adjusts playback volume.
Buttons1Maker product pagejbl.com.sg/headphones-wireless/TUNE770NC.htmlRead 10 October 2026
Game and chat mix
Not available
Not available
Remappable controls
Yes6Maker product pagesupport.nothing.tech/hc/en-us/sections/38910365859601-How-toRead 8 October 2026The support controls list provides optional button functions and bass/treble tuning for the Slider through Nothing X. Essential Space requires Nothing OS.
Not available
Wear detection
No15Reviewtomsguide.com/audio/headphones/cmf-by-nothing-headphone-pro-reviewRead 8 October 2026The exact specification table and design discussion explicitly state no wear detection.
No7Reviewtechradar.com/JBL-Tune-770NC-reviewRead 10 October 2026Features: no wear detection. The review names it as the main omission.
Voice assistant
ChatGPT27Maker product pagesupport.nothing.tech/hc/en-us/articles/39520905948689-Why-can-t-I-use-ChatGPT-on-CMF-Headphone-ProRead 8 October 2026The exact CMF Headphone Pro support article documents a configurable button shortcut to ChatGPT Voice. Requires a compatible Nothing or CMF phone, current phone system and Nothing X app, an installed signed-in ChatGPT app, and prior use of ChatGPT Voice. This is phone-app integration, not an independent on-headphone assistant. Unnamed generic phone assistants are not converted into specific Siri or Google Assistant claims.
Google Assistant, Siri, Bixby2Owner's manualjbl.com.sg/on/demandware.static/-/Sites-masterCatalog_Harman/default/dwe034d829/pdfs/JBL_TUNE%20770NC_QSG_Multilingual.pdfRead 10 October 2026Voice assistant icons: Ok Google, Bixby, Siri and others.

Comfort and build

8 of 11 differ
Headband type
Padded13Reviewtechradar.com/audio/wireless-headphones/cmf-by-nothing-headphone-pro-reviewRead 8 October 2026The exact design discussion describes cushioning across the headband and ear pads.
Padded1Maker product pagejbl.com.sg/headphones-wireless/TUNE770NC.htmlRead 10 October 2026Soft ear cushions with a padded headband.
Headband material
PU synthetic leather and memory foam13Reviewtechradar.com/audio/wireless-headphones/cmf-by-nothing-headphone-pro-reviewRead 8 October 2026The exact design section describes polyurethane synthetic leather and memory foam across the headband and ear pads. Steel reinforcement is independently identified by maker support.
Plastic with padding3Spec databasesoundguys.com/product/jbl-tune-770ncRead 10 October 2026Headband material: plastic with padding
Frame material
ABS plastic shell, PA+GF sliding arms, stainless steel headband strips8Maker product pagesupport.nothing.tech/hc/en-us/articles/38910349693841-What-material-is-the-outer-casing-of-CMF-Headphone-Pro-made-ofRead 8 October 2026The exact material article identifies ABS shell, PA+GF sliding arms, and stainless steel headband strips. The SoundGuys all-plastic description does not override these published internal reinforcement materials.
Plastic3Spec databasesoundguys.com/product/jbl-tune-770ncRead 10 October 2026Chassis primary material: plastic
Ear cup material
Not available
Not available
Ear pad material
PU leather with high-resilience memory foam9Maker product pagesupport.nothing.tech/hc/en-us/articles/38910322756881-What-material-are-the-ear-cushions-of-CMF-Headphone-Pro-made-ofRead 8 October 2026The exact cushion material article specifies polyurethane synthetic leather covering and high-resilience memory foam fill.
Memory foam3Spec databasesoundguys.com/product/jbl-tune-770ncRead 10 October 2026Ear pad type: memory foam
Replaceable ear pads
Yes1Maker product pageus.nothing.tech/products/cmf-headphone-proRead 8 October 2026The maker states that cushions twist on and off for cleaning and replacement. Optional colored cushions are sold separately.
Not available
Ear pad attachment
Twist lock1Maker product pageus.nothing.tech/products/cmf-headphone-proRead 8 October 2026The maker describes twisting cushions on and off. Exact SoundGuys review confirms the rotating attachment. This is a twist-lock attachment rather than a clip or magnetic mount.
Not available
Ear pad opening
Not available
Width37Height54mm(1.5 × 2.1 in)1Maker product pagejbl.com.sg/headphones-wireless/TUNE770NC.htmlRead 10 October 2026Ear cup internal width 3.7 cm, internal height 5.4 cm. The ear cup depth of 4.8 cm is not stored because it may not be the internal depth.
Ear tips included
Not available
Not available
Dust and water rating
IPX220Maker product pagesupport.nothing.tech/hc/en-us/sections/38910294951441-Product-FeatureRead 8 October 2026The exact Water/dust resistance support article states IPX2 under IEC 60529. There is no certified dust protection. The TechRadar no-IP-rating claim is contradicted by the maker and is not used.
Not available
User-replaceable parts
Ear cushions1Maker product pageus.nothing.tech/products/cmf-headphone-proRead 8 October 2026The maker explicitly permits swapping and cleaning the ear cushions. The original manual prohibits user battery replacement.
Not available

Software

1 of 3 differ
Companion app
Nothing X1Maker product pageus.nothing.tech/products/cmf-headphone-proRead 8 October 2026The Nothing X app section names Nothing X.
JBL Headphones1Maker product pagejbl.com.sg/headphones-wireless/TUNE770NC.htmlRead 10 October 2026JBL Headphones app
App platforms
Android, iOS1Maker product pageus.nothing.tech/products/cmf-headphone-proRead 8 October 2026The maker app section expressly says Android and iOS. Individual features have phone, OS, and app requirements.
Android, iOS3Spec databasesoundguys.com/product/jbl-tune-770ncRead 10 October 2026Companion app: iOS and Android
User firmware updates
Yes1Maker product pageus.nothing.tech/products/cmf-headphone-proRead 8 October 2026The maker app section documents firmware update management.
Yes1Maker product pagejbl.com.sg/headphones-wireless/TUNE770NC.htmlRead 10 October 2026LE Audio is described as available via OTA update at a later stage, so firmware updates exist.

Dimensions and weight

1 of 2 differ
Headset weight
283g(10 oz)1Maker product pageus.nothing.tech/products/cmf-headphone-proRead 8 October 2026The labelled Headphones weight table states 283 g. This is the maker claim. Cushion weight is a separate 45 g entry with unspecified quantity scope and is not added to headset mass.
232g(8.2 oz)1Maker product pagejbl.com.sg/headphones-wireless/TUNE770NC.htmlRead 10 October 2026Weight 232 g2Owner's manualjbl.com.sg/on/demandware.static/-/Sites-masterCatalog_Harman/default/dwe034d829/pdfs/JBL_TUNE%20770NC_QSG_Multilingual.pdfRead 10 October 2026
Headset dimensions
Not available
Not available

Certifications

2 of 3 differ
Hi-Res Audio
Hi-Res Audio, Hi-Res Audio Wireless1Maker product pageus.nothing.tech/products/cmf-headphone-proRead 8 October 2026The maker expressly claims wired and wireless Hi-Res certifications. Wireless high-resolution playback requires a compatible LDAC source.
Not available
Communication certifications
Not available
Not available
FCC ID
2AZEQ-B17510Owner's manualfccid.io/2AZEQ-B175/User-Manual/Users-Manual-8638814.pdfRead 8 October 2026The original regulatory document identifies exact FCC ID 2AZEQ-B175. Radio transmit power is not treated as audio amplifier power.
APITUNE770NC2Owner's manualjbl.com.sg/on/demandware.static/-/Sites-masterCatalog_Harman/default/dwe034d829/pdfs/JBL_TUNE%20770NC_QSG_Multilingual.pdfRead 10 October 2026Regulatory page prints FCC ID:APITUNE770NC and IC:6132A-TUNE770NC.
Other certifications
EU RED 2014/53/EU, EU RoHS 2011/65/EU and 2015/86326Maker spec sheet (PDF)s3.zoommer.ge/site/certificate/nothing-cmf-headphone-pro.pdfRead 8 October 2026English declaration page 2 lists RED 2014/53/EU and RoHS 2011/65/EU and 2015/863. These are maker declarations for B175, not inferred Bluetooth SIG or extra market-availability claims.
Not available

In the box

3 of 3 differ
In the box
CMF Headphone Pro, Carry pouch, User guide, Safety and warranty information, 3.5 mm to 3.5 mm audio cable (1.2 m)1Maker product pageus.nothing.tech/products/cmf-headphone-proRead 8 October 2026The exact In the box table lists the headset, pouch, guide, safety/warranty information, and one 1.2 m analog cable. No USB charging cable or wall charger is listed. Exact TechRadar review independently confirms both omissions.
JBL Tune 770NC headphones, USB-C charging cable, Detachable audio cable, Warranty/Warning, Quick start guide1Maker product pagejbl.com.sg/headphones-wireless/TUNE770NC.htmlRead 10 October 20261 x headphones, 1 x USB-C charging cable, 1 x detachable audio cable, 1 x warranty/warning, 1 x QSG
Cables included
ACMF Headphone Pro
TypeLength (m)Count
3.5 mm to 3.5 mm audio cable1.21
Source1Maker product pageus.nothing.tech/products/cmf-headphone-proRead 8 October 2026The exact package table lists one 3.5 mm to 3.5 mm audio cable, 1.2 m long. No charging cable is supplied. Contact arrangement is not inferred from nominal plug size.
BJBL Tune 770NC
TypeLength (m)Count
USB-C charging cableNot available1
Detachable audio cable1.21
Source1Maker product pagejbl.com.sg/headphones-wireless/TUNE770NC.htmlRead 10 October 2026
Carrying case
Soft22Reviewsoundguys.com/cmf-headphone-pro-review-a-solid-b-side-146595Read 8 October 2026The maker box table supplies a Carry Pouch. Exact SoundGuys and TechRadar reviews explicitly describe a cloth/fabric travel bag. This is a soft pouch, not a hard case.
None1Maker product pagejbl.com.sg/headphones-wireless/TUNE770NC.htmlRead 10 October 2026No case or pouch in the box list.

Warranty

1 of 1 differ
Manufacturer warranty (source market)
1year19Maker product pageus.nothing.tech/pages/terms-of-salesRead 8 October 2026Current US Terms of Sale section 6.8 gives headphones twelve months of limited warranty. This covers the original US maker-store purchase. Statutory rights and other regions are separate.
Not available

Both are also in the API. Back to all headsets and headphones.