The only CASSETTE TAPE ADAPTER for IPOD and MP3 players that comes SEALED IN PACKAGE. As you can see in our pictures you will receive your cassette adapter in a plastic sealed case. This cassette adapter can be used with any audio device like IPOD all versions, MP3 players, CD players, DVD players, and any other audio device that has a HEADPHONE JACK. This adapter will give you the BEST sound quality, with gold plated plug. Plays any IPOD, portable MP3 player, CD player or Mini Disc through an audio cassette player. GREAT TO HEAR YOUR IPOD ON YOUR CAR. AVOID THE NOISE AND INTERFERENCE OF FM TRANSMITTERS!