Playback function: Can play av programs as MPEG4, MPEG2（DVD）,MPEG1（ VCD）, MP3, CD-DA, WMA，BMP and JPEG pictures. 

With both Inside and outside OTG: SD/MMC Card  or OTG HOST (Card reader, MP3, MP4) to Hard Disk, just on touch.
without hard disk, you also can play the contents in SD/MMC directly.
Video CVBS（AV） and VGA output: Can connected with computer or display of computer and playback directly.
Product sieze: 130*80*19mm; Inner package size: 240*160*50mm