The Ultra Mini USB 2.0 4-port hub is the travel hub for at home or on the road. It allows you to connect 4 USB devices such as mice, digital cameras and memory drives to your notebook simultaneously. It has a transfer rate of 480 Mbps, plug and play capabilities and does not require an AC adapter. Compact, affordable and easy to use, this hub is perfect for the traveler on the go who doesnt want to sacrifice the convenience of external peripherals