Simply plug the 3.5mm jack plug into a portable music player, CD player, pop the cassette into the car radio cassette and play music through your car stereo
Compatible with car cassette decks that have side tape opening
Self-adjusting spring head and silent mechanism
Mini-jack plug inserts into MP3 player/iPod or CD player's headphone jack
Compact and portable
Near CD quality
Car cassette decks that have side tape opening and ANY MP3 player / iPod / iPhone / Mobile Phone that has the normal 3.5mm audio headphone jack.