Linkskey 2-Port DVI USB Audio Microphone KVM Switch with QuickSwitch Remote Button (LDV-302ARC) USB 2.0 hub ports for keyboard, mouse or other high-speed USB devices Three modes of channel selection Quick Switch button, keyboard hotkeys or switching software Configurable independent/simultaneous switching of both PC and audio/mic channel 5ft and 3ft DVI-D USB Audio/Mic combo cables USB interface bus power