High efficiency, simple, easy to operate it. Native resolution: 480*320; 400 lumen With LED light source; Contrast: 800:1; Multimedia support format: Audio file: MP3/WMA/OGG/AAG/FLAC/APE/WAV; Image file: JPEG/BMP/PNG; Video file: Full Format Support; Text file: TXT. ELEGIANT projector removes the limitations imposed by screen size so you can rediscover mobile media.The mini projector is very lightweight，