Product introduction: Multifunction digital movable charger. Using the efficient boost convert and battery protective IC. It's built-in intelligent identification chip sate able to identify different kinds of digital products the voltage electric current. Reaching available charger. It with built-in high capacity battery small appearance wide scope of application longevity life high cost-performance. You can used it to charger your cell phone digital camera PDA PSP MP3 MP4 DV and etc any time. Feature: Wide compatible Double USB output Powerful with long operation time Portable and convenient High efficiency of power conversion Electricity-saving function User friendly long cycle life Rapid charge Environmental friendliness Economic Efficiency