Easily connect and listen to your portable audio device through your FM radio. The Car FM Stereo Transmitter conveniently plugs into your car's DC power outlet (12V or 24V), comes with a 1.5m magnetic transmitting antenna for excellent reception, and can easily be dialed in to 12 different radio frequencies. Take your tunes on the road with the Car FM Stereo Transmitter. Works with any portable music device with a stereo mini-jack (headphone jack).