CMF by Nothing Buds 2a ANC TWS Earbuds

Category

Spec / Feature (Typical / Leading Edge)

Brand & Model

e.g. Sony WF-1000XM5, Nothing Ear (3), Technics EAH-AZ100, etc.

Release Date

2024 / 2025

Network / Telephony

N/A (no cellular)

Dimensions

~ 25-35 mm × 18-25 mm × 20-30 mm (earbud) / case ~ 50-70 × 45-60 × 20-30 mm

Weight

Earbud: ~ 3.5-6 g Case: ~ 35-60 g

OS & UI / App

Companion app on iOS & Android (EQ, firmware updates, modes, profile)

Chipset / Internal SoC

Custom low-power audio SoC, often with DSP for ANC, voice, etc.

CPU / DSP

Specialized DSP cores for ANC, voice, ambient modes

RAM & Storage

Modest internal memory / buffer (for firmware, EQ presets)

Battery (Earbuds)

35-60 mAh each (some go higher)

Battery (Case)

300-600 mAh typical

Charging

USB-C wired (fast charge) + wireless / Qi charging often included

Playback Time

With ANC off: ~ 7-10 hours With ANC on: ~ 4-7 hours With charging case: ~ 25-40+ hours

Quick Charge

e.g. 5-10 min gives 1-3 hours playback

Connectivity

Bluetooth (5.3 / 5.4 / newer) Support for codecs: SBC, AAC, aptX / aptX Adaptive / aptX Lossless, LDAC, LC3, etc.

Multipoint / Dual connect

Ability to connect to two devices simultaneously

Sensors

In-ear detection, accelerometer, touch / capacitive / force touch, possibly proximity / hall sensors

Microphones / Voice / Call

Multiple mics (3-6) + noise suppression, beamforming, wind noise cancellation, speech enhancement

Noise Cancellation / Ambient Mode

Active Noise Cancellation (ANC) with adaptive algorithms Transparency / ambient / passthrough modes

Spatial Audio / 3D Sound

Head tracking spatial audio / spatial / surround modes

Protection / Durability

Earbuds: IPX4, IPX5, IPX7 or IP54 (water / sweat / dust ratings) Case: lower protection rating

Latency / Gaming Mode

Low latency modes (~ 50 ms or lower), gaming modes, sync enhancements

Other Features

Earbud find / “Find My” support, multipoint switching, customizable gestures / touch controls, firmware updates, AI voice / assistant integration

Colors Available

(e.g. Black, White, Orange, special colors)