... ,FCC&ROHS certification 4.With car charger 5.Auto scanning Auto scan fm transmitter for Iphone 4S &Ipod & IpadProduct details :1. Play your music ... Transmitter using included car charger6. CE,FCC & RoHS approvelCompatible with:iPhone 4S,iPhone 4,All iPod models,iPhone,iPhone 3G,iPhone 3GS. For Iphone 4S fm transmitter