The TRENDnet 4-Port USB KVM Switch TK-407K is a portable device that allows you to control up to four computers using a single keyboard, mouse, and monitor. It comes with cables that are 4 ft in length and has connectors for USB Standard Type A Female and VGA/SVGA D-Sub Male. The KVM switch box has VGA/SVGA D-Sub Female and USB connectors. It is ideal for use in offices or homes where multiple computers need to be controlled from a single location.