Listen to your favorite music or digital radio through the car radio! Making phone calls is also no longer a problem! Technical highlights of the auvisio FM transmitter: - Radio with excellent receiver performance - Audio transmission occurs wirelessly via FM signal - Playback of your MP3 files from microSD memory card - Hands-free function thanks to the built-in microphone - Large color LCD display - Car charger equipped with 2 USB ports. Easiest installation: - Position the DAB antenna as close to a window as possible. - Plug in the car USB charger and connect the receiver. - Perform the DAB search. - Set a free FM frequency on both the radio and the transmitter. - Now you can start wireless DAB streaming. The transmitter operates almost wirelessly. Music can be transmitted via FM radio signal or via aux cable. The device can also be used at home; you only need a USB power supply. Music can also be played via Bluetooth from your smartphone, and other devices can connect via audio cable. Additionally, the auvisio FMX-640.dab DAB radio transmitter features a built-in MP3 player that allows you to play your favorite music from microSD cards. Via Bluetooth, the transmitter also functions as a hands-free system. Simply pair your smartphone with the transmitter.