The USB 3.0 hub ethernet adapter features a 1000Mbps RJ45 Gigabit port, three USB 3.0 ports that enable you to easily expand the ports of devices such as laptops, PC computers, and more. The three USB 3.0 ports support up to 5Gbps data transfer with no delay. This is also backwards compatible with USB 2.0/1.1 devices. And all hub ports can work simultaneously. The sleek and compact design makes the USB 3.0 3-Port Hub with Gigabit Ethernet Adapter the best choice for your laptop or other USB A device, whether on the go or in the office.