China Wholesale Car MP3 FM Transmitter

An FM transmitter is a portable device that plugs into the headphone jack or proprietary output port of a portable audio or video device, such as a media player, CD player, or satellite radio system. The sound is then broadcast through the transmitter, and plays through an FM frequency. Purposes for an FM transmitter include playing music from a device through a car stereo, or any radio without an audio input jack.