The KVM AS-21HA HDMI is a 2-Port KVM-Switch with reasonable price and automatic audio switch for Desktops. The KVM is connected by two included cables to Keyboard/ Mouse (USB), Audio Mic/Line (2x 3.5mm Audio Jack) and HDMI (HDMI Monitor) with the computers. The additional USB port in the front allows connecting external data drives, such as USB sticks.