. The 4-Port USB KVM Switch with Audio lets you manage 4 computers with just one set of keyboard monitor mouse and a set of speakers / microphone. The device comes with 4 sets of USB KVM and audio cables no additional equipment required. Its compact size makes it ideal for home and business environment. 4-port KVM switch with VGA and USB connections to computers and audio devicesListen to music from one computer while working on the otherHigh quality 2048 x 1536 resolution for a crisp displaySupports most operating systems and advance mouse designsAll required cabling included. .