Power your iPod, iPhone and iPad Helps prevent tangles because both ends completely wind up inside when not in use Works with a PC, Mac or any USB Vehicle or Wall Charger Fully extends up to nearly 2.5 feet Retractable so it's easy to take with you in your backpack, purse or pocket Easily charge or sync your iPad, iPod or iPhone. The USB to Dock Connector Sync/Charge Retractable Cable allows you to charge or sync your iPod, iPhone or iPad using a Mac or Windows computer. The USB to dock sync/charge cable is fully retractable, eliminating the tangles typically found when using conventional cables. The retractable, rubberized UltraFlex cable eliminates twisting, is soft, ultra-compact, lightweight and is easy to take with you when you travel. Works with iPad/iPad 2/iPad 3/iPhone/iPhone 3G/iPhone 3GS/iPhone 4/iPhone 4S/iPod touch/iPod classic/iPod with video/iPod Nano (1st, 2nd, 3rd, 4th and 5th generation)/iPod with color display/iPod mini/iPod photo