... approved 4,nice gift box packing Welcome to Enjoy-Tech2012 NEW-design high quality Touch Screen Bluetooth stereo headset Nice Gift Box Packing Shipment ... )5,Max headset output power:L 20mw R 20mw 6,Battery capacity:30mA 3.7V working Voltage: 4.2V 7,charge ... time :3 hours8,talking time : above 8 hours 9,Battery life : above 300 times rechargeable . 10. Available distance: >/=10m11, Input ...