Large capacity, dual USB output,dual purpose for one machine, can give the Iphone / Ipad charging ... are from factory Sepcification in YD-MP03: Large capacity, dual USB output,dual purpose for one machinecan give the Iphone / Ipad charging ... and other mobile digital products’standby power.One button for all operations:power on/off,power detection Power bank (YD-MP03)---Dual USB Output Mobile ...