Product parameters :
Bluetooth Version: Bluetooth 4.2 + EDR
Headset Battery: Polymer Lithium Battery 40mAh
Standby Time: 180 Hours
Duration of Continuous Playback: 2 Hours
Charger Battery Capacity: 500mAh
Full power sustainable working time : 200 Mins
Fully charge the earphone : 50 Mins
Headphone Size: 17 x 40mm
Charging Bin Size: 53 x 62mm