http://www.dds6qkxpwdeubwucdiaord2xgbbeyds25rbsgr73tbfpqpt4a6vjwsyd.onion/w/index.php?title=KVM&curid=685&oldid=83680
In the Details pane change the Controller USB device model. Hypervisor Default → USB 2 2. While Whonix-Workstation ™ is turned off, add four USB Redirection devices or as many as the number of USB ports the machine has to cover them all.