Features:

- Bluetooth version: V4.1                                                 
- Support profiles: HSP,HFP,AVRCP,A2DP

- Sound Mode: Stereo                                   
- Chip: CSR8635

- Charging time:1-2 hours

- Standby time: 180 hours

- Playing music: 5-6hours

- Operating Distance: in 10meters

- Power Source: Built-in Rechargeable 80mah Li-ion Battery