Connect car mp3 player with car radio,such asToyota/Honda/Mazda ect, CD sound ... quality , no FM noise., support USB/SD/AUX Car mp3 player USB/SD/3.5 AUX for Nissan/V.W/Honda ... and Moblie Phone5. Easy to install and use. car mp3 player with USB/SD/AUX for Nissan/V.W/Toyota/Honda ...