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 Fast file transferThis powered usb hub supports high-speed data transfer speed of up to 5Gbps, which can quickly transfer files and improve work efficiency Partition Independent Switch usb hub for pc is equipped with partition independent switch buttons, and each button switch controls the corresponding port. The switch is equipped with LED working indicator light, which can distinguish the working state, selectively operate and save electricity and energy Usb port hub compatible deviceUSB port 3.0 is used for keyboard