TOOGOO Universal Car Audio Cassette Adapter, Black Cassette-shaped Interface inserts into your car's tape deck. Mini-plug inserts into your iPod / CD Player / MiniDisk Player headphone jack. Silent mechanism reduces mechanical noise on the road. Spring-loaded cassette head helps maintain contact with cassette player's head for clear sound. 40" cord so you can rest your Player / iPod where you want it. Adapter: 3.5mm audio adapter.