Bgoodgirl USB 3.0 to RJ45 Lan Network Ethernet Adapter Card For Mac OS Android Tablet pc Laptop Smart TV Win 7 8 XP 100Mbps Adopts high-strength metal Material with fine workmanship, compact and delicate,Adds 3 superspeed USB3.0 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 10/100M 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,LED indicator for power and Ethernet connection, USB bus powered,Supports Windows XP 7 8, and MAC OS