The KVM AS-41HA HDMI is a 4-Port KVM-Switch with reasonable price and automatic audio switch for Desktops. The KVM is connected by four 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 to connect external data drives, such as USB sticks. https://elecena.pl/product/18207427/88887242-4-port-kvm-switch-hdmi 2021-05-01 https://elecena.pl/product/18207427/88887242-4-port-kvm-switch-hdmi 2021-11-18