A-szcxtop&trade;High Speed USB 2.0 Ethernet 10/100 Network LAN KY-RD9700 Adapter Converter(Blue) 100% brand new and high quality. Easily connect a PC / Laptop to any Ethernet network through a USB port Automatically negotiates 10/100 Mbps connection rate, depending on speed of the network Supports Full Duplex Flow Control (IEEE 802.3x) Integrated Fast Ethernet MAC, Physical chip and transceiver in one chip