The BG-UHD-KVM21A is a 4K compatible 2x1 KVM switch. This device allows users to easily share a single keyboard, mouse, and display between two computers. It features an additional USB 2.0 port for sharing devices like cameras, printers, and other accessories. Quickly toggle between the two connected computers using keyboard hotkeys or the push buttons on the front of the device. This switch supports resolutions up to 4K@30Hz and features two HDMI inputs and one HDMI output for easy viewing. The audio output jack allows for stereo audio de-embedding for headphones or an external audio system. The audio input provides a connection for a microphone or external input.