... photo, music, movie, file)foler repeatrepeat playback all the files in one folderslide showcan set 1S, 3S,5S... 60S intervalsUSB portcan ... playTV systemAUTO/NTSC/PAL three modes to choose fromaudio outbuilt-in 2pcs high stereo speaker(1Wx2) 4, Support file formatAudio: ... TV or monitorDigital panel give you beautiful visualbuttons in right side auto lock-in to avoid people operating macines at willcard ...