Practical need to move with his laptop, it can connect directly to a video projector, a TV set. Navigation with his remote control to select folder or file to view. Can play many file formats (tested with MP4 and JPEG), remote control speed and clear menus sorted by category (music, movies, images ...) Play as well as USB key on SD card. It plugs into sector through an adapter (supplied). Cable mini jack / RCA provided for immediate use. If used with a video projector, remember to connect the plug to RCA amplifier if no sound on the videos. Ignoring this remark for televisions equipped with speakers. Only small problem which costs 1 star, it comes without HDMI Cable ...