... to 80hoursMusic Playing Time10hoursNormal Charging TimeWithin 3 hoursBattery3.7V 300mA Rechargeable Li-PolymerPowerImput AC 100-240V, output DC 5V 300mARF Output ... .8.Colorful wireless bluetooth headset.9.Powered by long lasting, rechargeable lithium batteries. 10.Impressive range outstanding comfort, allowing you to move ...