Playback function: 
play av programs as MPEG4, MPEG2（DVD,MPEG1(VCD), MP3, CD-DA, etc. and JPEG.
Mobile HD function: 
Operate as copy, remove, rename, delete etc., for the files and folders in the HD.
Video CVBS（AV and VGA output: 
Can connected with computer or display of computer.
product size: 130x80x19mm