12.4mm dynamic driver, BassWave Dynamic Bass

Bluetooth 5.3, AAC codec, Dolby Atmos (OnePlus 7/7 Pro later)

Active Noise cancellation

Dual microphones + AI call noise reduction

Touch controls for track change, voice assistant, Play/pause

Sweat and water-resistant (IP55) for headset

Dimensions for Earbud: 27.5?21.05?24.4mm; Charging case:67.99?28.9?35.5mm

Weight for Earbud: 4.7g; Charging case: 37.5g

41mAh battery in buds offers up to 7 hours (without ANC) / 5 hours (with ANC) music playback, 36h (without ANC) / 27h (with ANC) with 480mAh charging case

Fast charge ? 10 mins for 5 hours playback (earbuds without ANC)

Product Model: OnePlus Buds ACE 2

Charging Interface: Type-C

Battery capacity: Headset: 58mAh; Charging case: 440mAh

Music Playing with Single earphone: Approx. 8 hours

Battery life with charging case: Approx. 43 hours

Wireless Connectivity: Bluetooth 5.4

Bluetooth Codec: AAC/SBC

Communication distance: 10m

Weight per ear: 4.2g

Single ear size: 29.99*20.3*24.83mm

Charging case with Earbuds weight: 46.2g

Charging case size: 66.6*51.24*28.83mm