... shipping good service This USB 2.0 sync data cable is for your iPhone or iPod directly or through a dock to yourcomputer ... or to the Apple USB power adapter (notincluded) for convenient charging from a wall outlet.Compatibility: For iPod Nano 1G, 2G, 3G ... , iPod Classic 3G, 4G, 5G, 5.5G, 6G, iPhone, iPod Touch Approx. 3 feet (1 meter) long No external power supply required ...