IOGEAR 2-Port USB Cable KVM Switch with File Transfer GCS642U (6 Feet) One USB keyboard, USB mouse, and VGA monitor controls two computers DynaSync - Reads and remembers the monitor's parameters to eliminate delay or change of video resolution when switching between, or booting computers USB drag and drop file transfer capability for Windows based systems; sync files and folders Audio-enabled  full bass response with 2.1 surround sound Plug and Play monitor support Superior video quality: 2048 x 1536, DDC2B Supports multimedia keyboards and most gaming keyboards Computer selection with Hot Keys and USB mouse