* Bluetooth Version: Bluetooth: V2. 0+EDR
* Chipset: CSR Chip
* Support Profile: Headset, Handfree Profile
* Compatibility: most of bluetooth mobile phone
* Range of frequency: 2. 4GHz-2. 480GHz
* Power: Class2
* Range: 10m
* DC power: 100-240V
* Working voltage: 3. 7V
* Battery: built-in li-ion
* Charging time: 3H
* Talk time: Up to 4H
* Standby time: Up to 60H