... .widely extend to audio source,like mp3/mp4/PC ect,CD sound quality,no FM noise Car MP3 with USB/SD/Aux+BT Handfree kitFeature ... :CD sound quality no FM noiseControl music from radio ... /Nissan etcClarion, Alpine, Sony, Panasonic, Pioneer, Blaupunkt, etcDiagram:Installation diagram: car mp3 with USB/SD/Aux+BT/ipod