... MP3 adapter with USB SD Aux BT (DMC-20198) It delivres CD-quality sound directly into the factory sound system via the CD ... disk,then you enjoy the digital music(MP3/WMA) in your car,Aux input for ... external audio sources,Auxiliary devices such as MP3 player, Potable DVD player, Minidisk Player, ... radio while delivering optimum sound quality.Feature:CD sound quality no FM noiseControl music from ...