Griffin Directdeck Universal Cassette Adapter
DirectDeck is the easiest, most convenient way to listen to any portable audio player through your car's stereo. Plug DirectDeck's audio jack into the headphone port of your iPod, MP3 player, CD player, or other portable audio device. Insert the DirectDeck cassette adapter into your cassette player. Start jammin'. Some Tips About Volume: With DirectDeck, you have two separate volume controls: the one on your car stereo system, and the one on your portable audio player.