?WIDE COMPATIBILITY?:USB 3.0 multiport extender Compatible with Chrome, Linux, Mac and Windows operating systems. Compatible with laptops and PCs with USB ports, such as MacBook Air 2017/ Mac/ ChromeBooks/ Surface/ Acer/ Lenovo/ Dell/ HP laptops and more. ?High-Quality Material?:The Ethernet adapter is designed with high-quality aluminum shell, which is beautiful and durable, and it is anti-fingerprint, anti-corrosion, better heat dissipation, and greatly improves the service life. ?SUPERSPEED DATA TRANSFER?: This USB to Ethernet hub provides additional 3 USB 3.0 ports, which saves you from the trouble of repeatedly plugging and unplugging devices. The transmission speed is up to 5Gbps, which is 10 times that of USB2.0. Multiple USB peripherals such as flash drives, hard drives, keyboards, mice, printers, etc. can be connected simultaneously. ?FAST GIGABIT ETHERNET?: Plug and play, no need to install any drivers, provide 1000Mbps ultra-fast network speed, let you stay away from the trouble of WiFi instability. Backward compatible with 10/100Mbps network. ?PLUG & PLAY?: 4 in 1 USB 3.0 hub is able to expand one USB 3.0 port to 4 ports (1* 1000Mbps RJ45 Gigabit port, 3 * USB 3.0 ports). And all hub ports can work simultaneously.