1)Bluetooth version: V4.1
2)Support profiles: HSP,HFP,AVRCP,A2DP
3)Sound Mode: Stereo
4)Chip: CSR8635
5)Charging time: 2-3 hours
6)Standby time: 200 hours
7)Talk/Playing time: 10hours/8 hours
8)Operating Distance: in 10meters
9)Power Source: Built-in Rechargeable Li-ion Battery 130mah