... 4/4S 2.High quality 3.Full tested before ship out 4.US plug for iPhone 4S 4G 3GS 3G Specification:1.Home ... the office via USB cable connection. 2.Simply plug in the USB cable, and plug the adapter into the wall. Compact, lightweight ... , iPhone 2G and 3G 3GS, and any USB gadgets 1A US Socket Plug USB Charger for iPhone 4/4S, Comes in White