Stereo headset
Bluetooth version: V4.0+EDR
Frequency range: 2.4GHz-2.48GHz
Transmission power: Class 2
Transmission distance: 10M
Operating current:＋25mA
Standby current:＋2mA
Charging time: 1-2H
Talking time: Up to 4H
Standby time: Up to 150H
Operating voltage: 3.6V