Charge your iPhone 4 or iPod Classic while you're on the go with the Cellet Apple Licensed Retractable Car Charger. Featuring a one-button retractable cable, it saves you the hassle of tangled wires. With a built-in smart technology IC chip, it will not overcharge your device and automatically switches to power saving mode upon complete charge. Our Apple compatible accessories are created to meet and exceed the manufacturer's specifications. Conveniently sized, this compact charger is the perfect charging solution as you travel.This car charger has a 3 year warranty. Please visit Cellet's website for further warranty information.