Bluetooth version: V4.1

Chipset: AB1511J

Support profiles: HFP, HSP, AVRCP and A2DP

Operation range: 10 meters

Talk time: About 3h

Standby time: About 30h                                      

Size: 30*23*18mm                                      

Weight:9.8g

Battery type: Rechargeable lithium-ion polymer battery

Battery capacity: 45mAh for one earbud; 220mAh for the charging dock