digital photo frame size for: 7 inch, 8 inch, 9 inch, 10.2 inch, 10.4 inch, 15 ... computer..4) Audio formats: Mp3 5) Slideshow with photo and background music 6) Supporting the broadcast format like ... 8) Supporting calendar, clock, alarm clock, time-switch machine.9) Image-displayed mode: slideshow,step show, preview , zoom, ... 17)System: NTSC/PAL/AUTO; 10.4 inch digital photo frame