Plug and play, no driver required Just plug the powered Usb hub into a laptop or PC, plug and play, no additional driver required Multi-port expansion usb hub for laptop can expand a single Usb port to seven Usb 3.0 ports and four Usb smart charging ports, and is equipped with a 100 cm (3.3 ft) long Usb cable and power adapter, and the power cord is 120 cm (4 ft) long. Laptop Usb hub is an ideal data backup and transmission solution for home and office