Use this adapter to hook up your iPod directly to your factory stereo system without having to use a noisy FM transmitter.This adapter will charge your iPod, send the audio from the iPod directly to your factory radio, and you will control youriPod from your iPod (iPod control from factory radio not available).Factory radio must have factory CD Changer compatibility and controls in order for this item to be compatible.This item plugs into the CD Changer port so any device including the factory CD Changer (in-dash CD Changer radio will still work) plugged into the CD Changer port will need to be disconnected.This adapter works with the iPod with the bottom dock connector.iPod cable is more than 5 feet long.Connects at the back of the radio.