USB products (Universal Serial Bus) covers a wide range of devices that function using this fast bus standard. A single USB port can be used to connect up to 127 peripheral devices, such as mice, modems, keyboards, printers, monitors, and other devices. There are two technologies available: USB 1.1 that supports data rates of up to 12 Mbps, and USB 2.0 supporting data rates of up to 480 Mbps. Product type, technology, and features are important specifications to consider when searching for USB products.