FORE Wireless FM Transmitter Radio Adapter with 3.5mm Audio Plug and USB Charger Port Color Black Portable and easy to use. Just connect Mp3 player to FM transmitter, insert to cigar lighter as power, modulate the frequency of transmitter as same as auto radio, then the music will rang out. Hands-free for phone call. You dont need to pull out the audio cable when you get phone call, voice will be came out by car stereo system, and you can answer through your cellphone. Wireless FM broadcasting the music from your device though the car stereo system with the High-quality sound. Functionality: Comes with a USB port for charging. Power-Off Memory Function: Automatically memorize the frequency. Compatible with iPhone, iPad, iPod, Mp3/4 Player, Android cellphone, any devices with 3.55mm Audio Plug. Power Supply: DC 9-24V (Vehicle power). Own a car but without AUX jack? It doesn&#039;t matter, this FM Transmitter will surprise you! Don&#039;t be hesitated, as long as you car has FM radio station, you can listen all the music you want! It&#039;s called Car FM/Radio Transmitter. It will be the great partner to you on travelling and driving. It enable you hands-free for phone calls and listen to music over your car stereo system. Adding one USB port to be more convenient and functional during using. Adopt digital PLL technology for High-quality sound. Compatible with car, truck, automobile carrier, etc. Power supply is available in the range of 9-24V. 1 x FM Transmitter 1 x User Manual