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.