Apple iPhone 3G, iPhone, Apple iPod Nano Chromatic 4th Black Ultra Premium Home Travel AC Aadapter Wall Charger (iPhone NOT included) Designed specifically for the Apple iPhone 3G but also compatible with 1st Generation iPhone, iPod Classic, iPod Touch, iPod Touch 2nd Generation, Shuffle 2nd Generation, Nano 3rd Generation and Nano Chromatic 4th Generation. Output: 5.15-5.45V Input: AC110-220V. Electric Current: 500mA. Intelligent IC chip inside recognizes a fully charged battery and automatically switches to a saver mode to prevent overcharging and short circuit. Cable cord length: 5 ft.