The ReTrak retractable wall charger and sync is perfect for people on the go. The unique design allows you to charge your iPod or iPhone, at home or at the office. With the USB 2.0 connection you can also charge AND sync with any computer. The retractable cable is great for travel yet easily expands to the desired length for without the clutter of unwanted cable. A dead battery on your iPhone means down time. The ReTrak retractable wall charger and sync keeps your iPod or iPhone charged and ready to go, just like you! You can plug it into any wall socket, accessory outlet, or use the versatile USB connection to charge and sync with any computer. The 3.2 inch total length expands when needed, then retracts for clutter-free storage.