Combining optimum playback with mimimum effort the fmt 893 rds car mp3fm transmitter is the perfect solution if want to listen to music while driving simple cigarette lighter connection makes it suitable for use in hire cars fleet vehicles or company cars the transmitter can play mp3 and wma music data directly from your usb stick sd card or any audio playback device with earheadphone ouput and comes with a remote control the device is designed for all vehicles with an onboard volotage o