Enjoy your XM Satellite Radio inside of your vehicle with this Vehicle Cassette Adapter. Simply insert the Tape into your car Cassette player, and plug it into the line out on your receiver. With this adapter there is no need for an FM modulator or aux cable. This adapter is compatible will SIRIUS & XM Satellite Radio receivers as well iPods and other MP3 players. Fits front and side loading cassette players. Features inner-magnetic and shake-resistant design. Easy to use and useful while on the go.