Описание товара на английском языке:
USB 3.0 hub to connect to a desktop PC or notebook to expand it with additional USB ports and connect USB flash drives, mice, printers, network adapters and other devices. It is equipped with an external power supply which enables the support of high-power peripherals such as 2.5 hard disks.
A USB 3.0 hub enables high-speed data transfer, which is 10 times faster than USB. 2.0.