The KVM-AS-21DA DVI is a 2-Port KVM-Switch with reasonable price and automatic audio switch for Desktops The KVM is connected to your system via USB (Keyboard / Mouse), 2x 3.5mm Audio Jack (Audio Mic/Line) and DVI-I or DVI-D by 2 included cables. https://elecena.pl/product/17879591/88887200-2-port-kvm-switch-dvi 2021-04-26 https://elecena.pl/product/17879591/88887200-2-port-kvm-switch-dvi 2021-10-04