Support 2 routes HDMI and USB input and 1 route HDMI output, the 2 computer hosts shares 1 monitor or display device. Support mouse and keyboard input, the 2 computer hosts share one set of keyboard and mouse. Another 2 USB ports for printer or U Disk, especially suitable for office, meeting and video conference. Plug and play, the drive is not needed, easy and convenient. With the switch button, you can choose to operate in any computer host easily. 4K high definition, support 2K*4K@30Hz ultra-HD resolution, show clearer image.