Bluetooth version: V4.1
Chipset: CSR8645
Support profiles: HFP, HSP, AVRCP and A2DP
Audio profiles: APTX
Operation range: 10 meters
Talk time: About 5.5h
Standby time: About 180h
Size:20.3*23.8*24.3mm
Weight: 12.7g
Battery type: Rechargeable lithium-ion polymer battery 74mAh
Functions: Answer/End/Reject/Transfer a call, Call waiting, Call redial, Voice dial, Mute, Volume adjustment, Multi-point Connection, Listen to Music, Noise Cancelling, Previous /Next Song, Pause/Play, Voice Prompt