The HDMI-KVM-21 is a switcher with two HDMI2.0 HDCP2.2 compliant inputs and one output for resolutions up to 4K@60Hz 4:4:4, combined with two USB2.0 host ports and 3 USB2.0 device ports. The USB Host ports are coupled to the HDMI inputs to serve one connected PC at a time. The USB Device ports can be used to connect a keyboard and mouse, USB flash drives, or as an input for a USB camera, USB headset, etc.
A microphone input and a line-out output for headphones are built into the front panel, corresponding to the PC connected and selected via USB host. Switching can be done manually via a front button or with the IR remote control included in the delivery.