Description: Now you can enjoy stereo and high-quality voice when driving through the sets in MP3 and CD player! The audio transformer can wirelessly link the digital player with car and household stereo quickly and conveniently. What you need to do is only to plug the emitter into IPOD or the earphone jacks of sound source, like PDA,MP3 player, CD player or cassette tape player. You can also enjoy high quality music when linking it with PC and adjust to the clearest FM frequency.