USB 3.0 to RJ45 Lan Card Gigabit Ethernet Network Cable With 3 Port Hub£» Feature: 100% brand new and high quality. Adopts high-strength ABS plastic with fine workmanship, compact and delicate. Add 3 superspeed USB 3.0 ports. 5Gbps theoretical transmission speed. Integrated USB3.0 PHY controller, in line with USB3.0 transmission specifications. Downwards compatible with USB2.0/USB1.1. Single Chip USB3.0 to 10/100/1000M Gigabit Ethernet controller supports IEEE 802.3az Energy Efficient Ethernet (Energy Efficient Ethernet / EEE). Supports IPv4 and IPv6 packets checksum offload engine(COE) to reduce CPU load. Supports full duplex operation with IEEE 802.3x flow control and half duplex operation with back-pressure flow control. Supports Wake on LAN function. Supports Windows XP 7 8, and MAC OS hot swappable. Specifications: Product name: USB3.0 to RJ45 multi-functional extension HUB. Housing material: ABS. Interface: 1 * RJ45, 3 * USB3.0. OS supported: Windows XP 7 8, Mac OS. Operating temperature: 5¡æ ~ 0¡æ. Storage temperature: -20¡æ ~ 70¡æ. Package Content: 1X USB Gigabit Ethernet Adapter With Hub No Retail Packing