The IOGEAR 2-Port USB VGA Cabled KVM Switch GCS22U allows users to easily switch between two different devices, such as a PC, Mac, or SUN computer, using a USB connection. It features a 1:4 connection split and a cable length of 6 feet, making it convenient for use in various computer setups. With its compatibility with the GCS22U model and USB 2.0 connectivity, this unit offers a simple and efficient solution for managing multiple computer connections.