Removable hard disk function: USB2.0 interface Windows Management directly, be convenient for your study, work and entertainment; Playback function: play AV programs, such as: MPEG4, DVD(VOB), VCD(DAT), MP3, MP4, CD, MPEG1/2/3, AVI, WAV, ETC And JPG pictures; Edit function: copy / remove / rename / delete files / folders in HDD; Super capacity: 20G/40G/60G/80G/100G/120G/160G hard disk, 40G hard disk reserves 20,000 Mp3 songs, or 70 movies; Support multi-disk partition HDD program playback; Subtitle optional for DivX program, Multi language optional; Search playback, repeat playback, A-B segment repeat playback, etc; 9-picture playback function for the picture, 12 kinds of pictures playback transition effect; CVBS and VGA video output, can be connected to TV or computer display; TV format: PAL / NTSC / AUTO; Multi-function control keys on unit and full function remote control, which is convenient for your use; Stereo audio output and digital coaxial output; Portable design: size:132 X 80 X 19mm