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