1. Screen size: 10.4" lcd screen a grade recycle panel 2. Aspect ratio: 4:3 resolution: 640x480 3. Media format: jpeg ; mp3/wma; mpeg1/2/4(avi, divx) 4. Input/output port: multiple card slot, usb port, 5. Readable for external memory device :sd / mmc / ms / xdcard ;usb device 6. Auto play fuction ( video playback automatic) 7. Repeat mode : (A) repeat one (B) repeat all (looping playing) 8. Internal memory: 1gb 9. Background music with photo slidshow; 10.Button control for volume ¡¡ 11.Power source: dc 12v, 1500ma (ac100-240v ; 50hz / 60 hz) 12.Speaker: 2 * 1w 13.Unit dimensions: h230x w285 x d43 mm 14.Accessories: ac adaptor, usb cable. 15.Auto play function 16.Auto update for playing file of internal memory by external usb flash drive.