... by radio pannel/steering wheel easy to use car digital audio player (CE FCC RoHS approved)Features: Direct ... high quality MP3/WMA decoder Building in Amplifier chips Widely extend external audio sources, like PC, MD, PSP, ... Before the installation, power off the carPlug the Digital Music Changer into your car stereo changer port ... series CD (more): Install illustration: car digital audio player,DMC-9088