CE Compass Black 3.5mm USB All Channel FM Transmitter Car Kit Adapter For Apple iPhone 5 iPhone 4 4S HTC Inspire 4G Broadcast music from your iPod, PDA, MP3 or CD player, and even portable DVD player with this all channel universal FM transmitter Transmits stereo quality sound from your portable music player to your car/home FM radio All frequency tuning allows endless selection of radio frequencies from 88.1 to 107.9 mhz with an increment of 0.1 mhz Just tune your car radio into any unused FM channel Then adjust the FM Transmitter to the same radio frequency