Nothing CMF Buds 2 Plus6974434225114 · Light Grey · UK- Wired / wireless connections
- Bluetooth 5.4 (AAC, SBC, LDAC) with dual connection; USB-C charging on the caseThis one: Bluetooth 5.4 (AAC, SBC) with dual connection; USB-C charging on the case
HEADPHONES
Nothing CMF Buds 2a
Orange · UK · Nothing part 6974434225138
- Wearing style
- In-ear, true wireless (ear tips in sizes S, M and L)
- Active noise cancellation
- Yes
- Wired / wireless connections
- Bluetooth 5.4 (AAC, SBC) with dual connection; USB-C charging on the case
CMF Buds 2a (store SKU 6974434225138 in Orange on the UK and US Nothing stores) are true wireless earbuds with ANC up to 42 dB, a 12.4 mm bio-fibre driver, four microphones and Bluetooth 5.4 with dual connection.
Prices & buying options
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THE ACTUAL PRODUCT
Compare with Nothing CMF Buds 2 Plus
Specifications checked 26 Sept 2026Manufacturer specifications, not a hands-on test.
The nearest checked headphones by key specifications, with what differs from the Nothing CMF Buds 2a. The first matches the Compare button above.
Nothing CMF Buds 2 Plus6974434225114 · Light Grey · UK
Sennheiser HD 800 SBlack · HD 800 S · 506911- Wearing style
- Over-ear (circumaural), open-back dynamic headphonesThis one: In-ear, true wireless (ear tips in sizes S, M and L)
- Wired / wireless connections
- Wired analogue; detachable 6.35 mm unbalanced and 4.4 mm balanced cablesThis one: Bluetooth 5.4 (AAC, SBC) with dual connection; USB-C charging on the case
Beyerdynamic DT 770 PROClassic black/grey · 80 ohm · 474746- Wearing style
- Over-ear (circumaural), closed-back dynamic headphonesThis one: In-ear, true wireless (ear tips in sizes S, M and L)
- Wired / wireless connections
- Wired; fixed single-sided 3.5 mm stereo cable with supplied screw-on 6.35 mm adapterThis one: Bluetooth 5.4 (AAC, SBC) with dual connection; USB-C charging on the case
Key strengths
They include Adaptive ANC, Transparency mode, dual connection and find my earbuds support.
Each earbud weighs 4.28 g and the case 42.75 g, and the case has a lanyard hole for carrying.
Before you buy
Rated playback is 8 hours per charge and 35.5 hours with the case with ANC off, falling to 5 and 23 hours with ANC on.
ANC is rated to 42 dB over up to 2900 Hz, calls use four microphones (two per earbud), the listed codecs are AAC and SBC, and the IP54 rating covers the earbuds but not the charging case.
Every specification. With its source.
Full specifications
Exact configuration: 6974434225138 · Orange · UK
18 specifications in 5 groups. Values are manufacturer specifications unless a row says “Measured result” or “Calculated from cited specifications”.
Design & fit
4 items
- Wearing style
- In-ear, true wireless (ear tips in sizes S, M and L)
A pair of earbuds and a charging case (with a lanyard hole); ear tips in sizes S, M and L are in the box. Nothing does not state the ear tip material.
Source - Weight per earbud
- 4.28 g
Each earbud. The charging case weighs 42.75 g.
Source - Dimensions
- Each earbud 32.5 x 20.3 x 24.3 mm; charging case 54.7 x 54.7 x 23 mm (height x width x depth)
- Dust, sweat and water resistance
- IP54 (earbuds)
The specification lists 'IPX2 case', but footnote 4 says the IP54 test applies to the earbuds and 'the charging case is not supported'; the case rating is therefore left out.
Source
Connections & battery
8 items
- Wired / wireless connections
- Bluetooth 5.4 (AAC, SBC) with dual connection; USB-C charging on the case
The manufacturer lists AAC and SBC codec support; support for other codecs remains unverified. Charging is quoted with a Type-C cable.
Source - Battery life
- Earbuds up to 5 hours with ANC on and 8 hours with ANC off; with the charging case 23 hours with ANC on and 35.5 hours with ANC off.
Nothing laboratory results at 25 °C, 50% volume, AAC, other features at default settings; actual life varies with use. Talk time is listed separately (earbuds 3.5 h ANC on / 4 h ANC off; with case 15.6 h / 18.4 h).
- Charge time
- Full charge (0-100%) in 89 minutes with the case connected to a USB-C cable; with the case unplugged, the earbuds charge inside it in 57 minutes
Fast charge: after a 10-minute charge, up to 5.5 hours of playback with the case or 2 hours without it (ANC off, 50% volume, AAC, Nothing laboratory, 25 °C).
- Bluetooth codecs
- AAC, SBCSource
- Multipoint (dual connection)
- Yes
- Low lag mode
- 110 ms with a Nothing phone in Game Mode
The Other features table says 'less than 110 ms under Game Mode' with a Nothing Phone; footnote 5 says latency can be reduced to as low as 110 ms with Nothing phones and Game Mode on. Source field: Low lag mode.
- Quick pairing
- Google Fast Pair and Microsoft Swift Pair
Fast Pair works on supported Android devices running Google Play services 11.7+ (back to Android 6.0); Find My and device renaming support need Android 10 or later.
- Battery capacity
- Earbuds 43 mAh each; case 460 mAhSource
Audio specifications
2 items
- Drivers
- Custom 12.4 mm dynamic driver, bio-fibre + custom TPU diaphragm, Dirac tuningSource
- Sound features
- Dirac, Ultra Bass Technology, Custom EQ; tuning by Nothing and Dirac
The Sound features table says 'Ultra Bass Technology'; the product copy calls it 'Ultra Bass Technology 2.0'.
Calls & noise control
2 items
Software & controls
2 items
- Companion app
- Nothing X app (Android and iOS): customise equaliser and controls, find my earbuds, low lag mode, software updates
Nothing says all these features are available on Nothing OS and in the Nothing X app for iOS and other Android devices (Android 6.0 and above, iOS 13 and above); on Nothing OS 1.5.6 and higher the settings are built into the phone.
- Controls
- Touch controls: double tap to skip forward or answer/hang up calls; triple tap to skip back or reject calls; tap and hold to switch between Active Noise Cancellation and Transparency Mode.
Customisable (footnote 7): double tap, triple tap, tap & hold and double tap & hold can be set to next song, previous song, volume up, volume down, voice assistant or switching noise cancellation modes, via phone settings on Nothing OS 1.5.6+ or the Nothing X app on Android 6.0+/iOS 13+.
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