... ,Data sync with USB2.0 interface 2,charging fucntion 3,400 mAh backup battery 4,LED light 5,Ultra ... thin design,portable Item #:MP-028Item Name:3 in 1 Ultra Thin Card Battery Features 1,Data ... capacity,which can supplement 15% power capacity for iPhone. 3,Allows you to charge your iPod, iPhone, iPad when ... ×56×5.5mmIput interface:USB2.0Input voltage: DC 3.0~6VOut: DC 5V 1A More images: