4-IN-1 USB Adapter: Covert a USB 3.0 port to RJ45 Ethernet port and 3 USB3.0 port. All hub ports can work simultaneously. 5Gbps USB 3.0 Data Transfer: 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. 1Gbps Stable and Fast RJ45 Ethernet: Features a 1000Mbps RJ45 gigabit port, reaches the limits of your broadband. Gigabit Ethernet port ensures a more stable and faster wired network connection. Backward compatible with 100/10Mbps. Easy Setup: Plug and play on Win 8/ 8.1/ 10, Mac OS X 10.9 and above. Support Linux and Android. Compact and Portable: With ultra slim design, advanced Chipset with good thermal design, will not heat even for long-time use.