IMPORTANT NOTES: Pre-owned, fully tested and confirmed functional, minor cosmetic wear from normal prior use, includes KVM cables as shown in photos, only items shown in photos are included, review all photos before buying. The IOGEAR GCS634U 4-Port VGA USB KVM Switch lets you control up to 4 computers from a single keyboard, mouse, and VGA monitor, with full audio and microphone support for multimedia switching. Features a USB 2.0 console for plug and play peripheral sharing, hot key and push button switching for fast access, and a compact desktop form factor ideal for home office, IT department, computer lab, server room, or small business use. Compatible with Windows, Mac, Linux, and Sun systems. Great for anyone needing to manage multiple computers, servers, or workstations from one convenient console setup without cluttering the desk. Keywords: IOGEAR GCS634U, KVM switch, 4-port, VGA USB, audio mic, cables included, tested working.