Communication: Bluetooth
Colour: Black, White, Gold, Silver Bluetooth Version: 2.1 Frequency: 2.4 G Hz-2.48 G Hz Transmitting Power: Ciass 2 Bluetooth Chip: ISSCOperating Range: 10m Working Voltage: 3.6 V Battery: 80m A Standby Time: 200 hours Talk Time: 8 hours Charge Time: 3 hours