Screen: 9-inch 16:9 HD LED LCD screen Electronic calendar: with clock calendar, timer power on/off, e-book function Loop playback: automatically loop pictures/music/pictures + music/video playback when powered on; supports mixed playback Stereo output: built-in mini speaker, stereo output, can plug in headphones Slideshow playback: picture playback background music support, slideshow loop playback, can set the time interval for picture loop playback