Fm transmitter put the fun back into car journeys simply connect this transmitter to an mp3 player or smartphone with the 35 mm stereo headphone mini jack cable provided and you can listen to your own play lists through the car radio the transmitter is powered via a 12v cigarette lighter and features an lcd display it also comes with a remote control so its even easier to control you can also insert an sd card or usb stick connects to an mp3 player or smartphone 35 mm stereo headpho