Fm Transmitter + Car Charger + Holder for Iphone 3gs 3g Ipod Touch 4gb, 8gb, 16gb, 32gb, 64gb, 120gb, 160gb Using the iPhone, you can talk to anyone hands-free style through your car's speaker system! **NOTE: IPHONE/IPOD NOT INCLUDED** If you want to listen to digital music simply place your iPod or MP3 player onto the holder, tune to any station and enjoy crisp, clear audio. Type A USB socket for charging mobile phone, GPS, and other devices! Remote control is convenient for you to play / stops the music, adjust volume, and skip to next / previous songs! FM Frequency 88.1 - 107.9 MHz. Input: DC 12V, vehicle power