DeLOCK 11349 Black KVM switch

4 > 1 VGA KVM Switch with USB and Audio This Delock KVM switch is a convenient solution for connecting one monitor, beamer etc. to four computer. Furthermore the two USB ports enable you to connect a mouse and keyboard and to switch between all computers just by using the button or keyboard.
In addition you have the possibility to transmit audio signals so that you can use a speaker and microphone with the help of the switch on both computers.