With the TK-208K KVM switch you can use one keyboard/mouse/monitor to control two computers, a screen and a pair of speakers.The TK-208K allows you to change computers with just the touch of a button, and PCs can be connected and disconnected at any time. The switch will do this using its automatic search mode. The TK-208K is self-powered via a USB port. The TK-208K is a compact, efficient way of creating a computer network!