This Power Bank has Two Output USB Ports. You can charge two mobile at the same time from this Power Bank. The high capacity 9000mAh Li-polymer battery provides enough power to charge your Smartphone device 2-3 times faster and more than covers you in your time of need. His Power Bank has LED Indicator. Wide Compatible ,Powerful with long operation time, Portable and convenient, High efficiency of power conversion, Electricity-saving function, User friendly, Long cycle life, Rapid Change, Environmental Friendliness & Economic Efficiency, Protection from Overcharge and Over discharge, Protection from Short Circuit. Built in high capacity Li-Polymer Battery, Slim and lightweight, Easily carry & Easily Charge Smartphone?s & Tablets. When we are here for power so why you are disconnect from the world.