Kensington 33199 Digital FM Transmitter and Auto Charger for iPod (Black) Combination FM transmitter/car charger for playing iPod through FM stereo speakers Transmits iPod tunes through any available FM frequency; easy-to-read digital display Plugs into car's DC power source (cigarette lighter outlet); simple up/down button selection Compatible with iPod nano (Gen 1,2,3); iPod (Gen 1,2,3,4); iPod Classic; iPod Touch 3 programmable buttons lock in station presets; ClearFM technology reduces noise