... interface 2,charging fucntion 3,400 mAh backup battery 4,LED light 5,Ultra thin design,portable Item ... -028Item Name:3 in 1 Ultra Thin Card Battery Features 1,Data sync with USB2.0 interface, ... can supplement 15% power capacity for iPhone. 3,Allows you to charge your iPod, iPhone, iPad when connecting to your ... flashlight 5,Ultra thin(only 5.5MM) easy for your carry and storage. 6,Different Colors are ...