This is one of two hybrid docking stations/KVM ... There is a box with a button that comes out the back of the KVM switch. This is used to select which computer you want to control.

KVM switches are hardware devices that allow IT personnel to use a single keyboard, video monitor, and mouse (KVM) to control more than one computer at a time. They reduce the number of peripherals ...

These are far from the early switches, they’re full blown computers built to make access ... when looking at the circuit board of the KVM. There are two big chips with the device manufacturer ...

Trying to share a display between your desktop and your Xbox, or a keyboard between two PCs? A KVM switch is what you need. Here's how to choose the best switch, along with our top picks.

The KVM switch also uses 'keep alive' technology which fools the computer in thinking the keyboard ... VGA port, and two USB ports for speakers, monitor, keyboard, and mouse.