The 2-port DVI USB (Universal Serial Bus) KVM switch kit with audio, model TK-214I, means that you can control 2 PC and/or Mac computers with one set of console controls. Manage laptops or desktops that have DVI, USB (Universal Serial Bus), & audio ports at the touch of a button with one set of USB (Universal Serial Bus) keyboard, USB (Universal Serial Bus) mouse, DVI monitor, microphone, & speakers. No driver installation required, simply plug in the devices to control 2 computers. A convenient toggle switch with a 1.5 m extension cable can be placed in the most ergonomic location on your workstation. View crystal clear Digital Video Interface (DVI) resolution at up to 1920 x 1200 pixels. Built in 0.9 m combination cables include all the necessary USB (Universal Serial Bus), DVI, & audio connectors for each respective computer.