The ViewSonic USB Hub is a four-port Universal Serial Bus hub that allows users to connect up to four USB peripherals or devices to their USB-ready PC or Mac computer. The ViewSonic USB Hub features one upstream port and four downstream USB port solution. It is also easy to install with true Plug-n-Play functionality allowing automatic configuration without having to restart the computer. In addition, the USB hub has a built-in illuminated LED power and data port status indicator. It supports all high-speed and low-speed USB devices.