x power battery charger *Switch On&Off through Detecting Audio Signal *2200mAh Lithium ion Battery Capacity *CE/FCC etc Brand New x power battery charger for phone    OEM & ODM service are welcome...Welcome to inquiry!    Spec.: Portable External Battery for Mobile Devices2200mAh Lithium ion Battery CapacityHigh Quality & Full Frequency Speaker Switch On & Off through Detecting Audio SignalPower Input & Output through 1 USB Port.          More detailed pics:    Packaging:  

Various colors or customized colors:

Brand New x power battery charger for phone