4-Port Usb Kvm Switch Kit W/Audio (Include 4 X Kvm Cables). 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.