Enercell Dot USB Retractable Sync/Charge 2.46 Feet Data Cable USB Charger For 30-Pin iPad 2 3 iPhone 3G 3GS 4 4S iPod Touch Classic Video Nano 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