Conceptronic C4USB3 4 Ports USB Hub USB 3.0This 4 ports USB 3.0 hub makes it possible to expand your netbook, notebook or PC with 4 extra USB 3.0 ports with only using one free USB 3.0 port! You can easily add up to 4 USB devices or gadgets to your netbook, notebook or PC. The included AC/DC adapter simultaneously provides all ports with power. The USB hub has a compact and unique design with a modern touch. The leds on the topcover indicate the status of the USB hub and each USB port.