... button ,thin Ultra-slim 4000mAh Power Bank for iPhone Samsung Android Phone - mobile accessories polymer battery chargers Product Specification:Cell Type ... Li-Polymer Capacity: 4000mAhInput: Micro USB 5V/1000mA (max)Output: Mini USB 5V/ 1000mA (max)4 LED power level indication & Over ... Mobile devices, Tablet PC, iPad, iPod, iPhone, Cell Phone, Smart Phone, MP3/MP4, PSP, NDS,.Power On: Press& hold the ...