USB 3.0 Ethernet Adapter :Expand a single USB 3.0 port to connect more, 4 in 1 USB 3.0 to Ethernet adapter features a 1000Mbps RJ45 gigabit port, 3 USB 3.0 ports. And all hub ports can work simultaneously. 5Gbps Data Transfer: This USB network hub offers extra 3 USB 3.0 ports for connecting multiple USB peripheral devices such as flash drive, hard drive, keyboard, mouse, printer and more, keep you away from the trouble of plugging & unplugging your devices repeatedly. You can also transfer an HD movie in seconds. Plug and Play:No need to install any drivers, provides access to superfast network speeds 10/100/1000Mbps,just plug and play, and makes it possible for computers without an Ethernet port to connect to an wired Ethernet connection. Wide CompatibilityThe inner chip model is AX88179A,perfect for laptops with USB 3.0 port, such as MacBooks/ChromeBooks/Surface laptops and more other devices etc, compatible with Windows 10/8.1/8/7/Vista/XP, Mac OSX 10.6/10.7/10.8/10.9/10.10, 10.13, Linux kernel 3.x/2.6, and Chrome OS. Compact Design: Ethernet adapter is compact and lightweight, easy to carry. Premium aluminum case design make this hub durable to use.