Etekcity USB 2.0/3.0 to HDMI Video Adapter Converter for LCD HDTV or PC Computer Desktop Monitor supports resolutions up to High-definition 2048x1152/1920x1200, Windows, Mac& Linux USB 2.0/3.0 to HDMI converter; Standard USB connection (2.0 or 3.0) Add an extra display without a standard video output; Mirror or extend desktop to extra display Input1x USB 2.0/3.0; Output1x HDMI High-resolution support up to 2048x1152px Windows /Vista/7/8, Mac, & Linux supported