... 3,2 USB output socket Portable power 4800mAh compatible with mobile phone and ipadFeatures:1.Suitable for ... several different charger adaptors.Compatible with each kind of mobile phone and digital products with USB function,eg.iPhone ... and anti-failing and long-using terminal.4.With a precise IC protector to safety avoid ... MP3, MP4, PSP, etc Portable power 4800mAh compatible with mobile phone and ipad