Power Charger and Power Bank will be used in our life, such as travel, meetings, charger is not around or inconvenient charging case.In any place, any time it is not limited to the power to digital products or charge, and truly gives a practical sense, so that the quality of life and work can be improved. Universal mobile power is the output of access products currently on the market the most common ports: USB port. USB port can be suitable for the widest range of digital products. Mobile power for mobile phones that can, MP3, MP4, PDA, game consoles, bluetooth headsets, digital cameras, CD players, video machines, digital cameras, portable DVD, laptop computers and other digital products and services. In fact, not only that, mobile power via usb cable can be used in any compliance with USB On-the-Go (USB-OTG) of the portable device (USB lamp, USB eye massager, USB coffee maker, etc.), as a the most convenient mobile power supply.