... Each port charges at 5V,1.5A.If not enough current to you,8 iPads can be charged at a time, ... etc users demand8.Support hot-plug, automatic installation,easy to use 9.System requirement: Win95/98/Me/2000/ ... 127 kinds of external USB storage device 12.apply to mobile software in bulk download,Scanner,Digital camera, ... ,ensure runig on a steady way,will not to cause the interface cant be recognized for long ...