Instant Internet Access: UGREEN Gigabit Ethernet adapter access superfast network speeds of up to 1000Mbps without interruption, backwards compatible with 10/100Mbps, stable and reliable than Wi-fi SuperSpeed Transfer: Easily add 3 USB 3.0 ports to your PC, Transfer music, movies, and more in seconds with 5 Gbps data speeds. Backwards compatible with USB 2.0/1.1 devices Wide Compatibility: This RJ45 Ethernet to USB 3.0 adapter is compatible with most Windows/Linux/Mac os system. Plug & play for Windows 8 or later, Mac OS X 10.6 or later, Linux 2.6.14 or later. Manual driver installation needed for Windows 7/XP. Also, support various features and protocols. Please disabling the Sip function when using on Mac 10.13 Powerful & Stylish: Ultra-slim USB 3.0 hub, perfect for carrying on-the-go. Extra 5V/2.4A micro USB power port for improved performance. Aluminium casing for superior heat dissipation. Power supply adapter is sold separately What You Get: UGREEN USB hub with Gigabit Ethernet port *1, user guide Multiply Your Port with UGREEN USB 3.0 Ethernet Hub, On for More! Faster and More Stable Internet Connection UGREEN USB Gigabit Ethernet Adapter supports 10 / 100 / 1000Mbps internet performance, providing a faster and stable connection for you to surf the internet; This USB Lan Adapter is backwards compatible with all existing 10/100 networks. Fast Sync Speed Transmit data via USB at up to 5Gbps, fast enough to transfer an HD movie in seconds. No more waiting when sending or receiving important files. To ensure max USB 3.0 speed, confirm that you connect this USB 3.0 hub in your computers USB 3.0 ports. USB 3.0 Ports Expansion Turn one of your computers USB ports into three. 3 USB devices can be connected at the same time. Work with most USB devices, such as hard drive, USB headphone, USB microphone, DVD player and more Stable and Safe Multi shielding to ensure stable transmission, no interference and no delay. Over-voltage, over-current protection, ensure the safety of your data and devices.