[3*USB 3.0 + 1*Gigabit Ethernet Adapter] ZeroLemon 3 Ports USB 3.0 Bus-Powered Hub with RJ45 10/100/1000 Gigabit Ethernet Converter LAN Wired Network Adapter for Laptops, Ultrabooks and Tablet PCs with USB Ports, Compatible with Windows XP/7/8, Mac OS-X, Linux Instantly add 3 x Super-speed USB 3.0 ports and 1 x RJ45 Gigabit Ethernet port to your ultrabooks and notebooks, provide 10 x faster transfer speed than USB 2.0., also backwards compatible with USB 2.0/1.1 and support all USB devices such as card reader, flash drive, hard drive, etc. Compact size and portable design making it ideal for travel and use as external extension solution for mobile work situation like surface tablet and Apple Macbook. Use it to replace your broken internal network port on desktop and laptop, add a separately-routable network interface, and transferring files at superfast speed over an Ethernet port. Supports 10/100/1000 Gigabyte Ethernet, full duplex operation with IEEE 802.3x flow control (FDX) and half duplex (HDX) operation with back-pressure flow control. Supports crossover detection and auto-correction and Wake-on-LAN (WOL) via link-change, Magic Packet, Microsoft wakeup frame. Package Content: 1 X ZeroLemon USB3.0 hub with Gigabit interfaces (Black); 1 X Driver CD; 1 X User manual. 18 Months warranty and 24h email support.