Bluetooth variation: V4.0+EDR  Bluetooth mode: Bluetooth/headset/A2DP  Radio frequency:2.0402-2.480GHz  Transmission degree: Class 2  Supported A2DP:Music play(audio production:35Mw, Play/Pause)  Work range:10 meters  Charging time: 1 hours  Charging cable: USB Micro Cable  Talk time: 4 hours  Music time: 3 hours  Standby time: 120 hours  Work current: 15mAh