Check the listing for details. IOGear 2-Ports External USB KVM With Audio Switch Model 'GCS72U' Used. Condition: Used. Listed at 15.96 USD. IOGear 2-Ports External USB KVM With Audio Switch Model 'GCS72U' UsedNo Instruction Booklets or any Accessories. The IOGEAR's GCS72U KVM Switch with Audio allows users to share a VGA monitor, a USB mouse, a USB keyboard, a set of powered speakers and a mic between two computers. Users can switch between computers using a manual pushbutton switch located on a wired remote that can be placed on your desk for convenience. From the ManufacturerMax resolution: 2048 x 1536, DDC2BCompact design features two attached KVM (USB and VGA) cablesSupports Windows XP or higher, Mac OS 9.0 or higher, Sun Solaris 9 or higherCompatible with PC, MAC and SUN operating platforms2.1 Stereo audio and microphone supportOne USB keyboard, USB mouse, and VGA monitor control two computersSeparate the Internet and Intranet with the click of a button3' long molded-in cables to simplify setupPlug-n-Play monitor supportNo software drivers required - simply connect the cables to the computers