Chip: CSR8640
Weight: 16g
Size for Headset: Φ19.5mm*11mm
USB cable length: 15cm+/-1cm
Bluetooth version: Bluetooth V4.1
Charging means: Micro USB cable
Battery: 120mA
Bluetooth standard: Class 2
Profiles supported: HSP/HFP/A2DP/AVRCP
Talk time: up to 6 hours
Playing time: up to6 hours
Standby time: up to 480 hours
Charging time: about 2 hours
Voice chat: Supported
Voice prompt: Supported