CompuLab 4K Display Emulator (fit-Headless 4K) Fit-Headless 4K supports 30 different resolutions from 800x600 up to 4088x2304 Works with any operating system, no software installation required Plugs into HDMI port, does not require additional power Works with Mac Mini, CompuLab fit-PC and Intense PC and with any other HDMI enabled computer Native resolutions of MacBook Pro, MacBook Air, Ultrabooks and popular laptops