For Apple iPod MP3 Player 5 in 1 Car Charger FM Transmitter with LCD Digital Output Display Listen to your MP3 MP4 iPod through your car stereo Power and charge your MP3 MP4 iPod while listening to your music Securely hold your MP3 MP4 iPod in your car Multiple FM frequencies with LED display FM Transmitter also works for PDAs and MP3 players with audio jack