down to retract the full length of the cable. Features: Smart IC chip recognizes a fully charged battery and automatically switches to a saver mode Apple iPhone / Apple iPod can be used during charging. Powerful: 12V, 1 A LED shows power status Short circuit protection Standard: Cigarette Lighter plug fits most automobiles, RVs, boats Compatible with: Apple iPhone, iPod nano 1st generation, iPod nano 2nd generation (aluminum), iPod mini, iPod 3rd generation, iPod with click wheel, iPod with color display, iPod with video, etc.  (less)