The TRENDnet 4-Port Audio KVM Switch allows you to share a single keyboard, mouse, speakers and monitor between up to four computers. It features a hot-key and push-button interface for quick and easy switching. The KVM Switch works with computers that use PS/2 connections for the keyboard and mouse and a VGA connection for the display. It installs easily, with clearly labeled ports to connect cables. The switch supports resolutions of up to 2048 x 1536 pixels. This is a great solution for anyone who wants to share a single monitor, keyboard, mouse and speakers between multiple computers.