... MP3/WMA decoder Building in Amplifier chips Widely extend external audio sources, like PC, MD, PSP, GPS Navigation and Mobile Phone ... ,Sanyo,Blaupunkt.. Free accessores:usb extend cable, 3.5 line audio cable,usb reader,user manual: Installation Guide:The first and ... or SD card(please consult user manual about setting music files in the USB disk or SD card) For PC, PSP ...