C2G/Cables to Go 39998 USB 2.0 Fast Ethernet Network Adapter (7.5 Inch) 10/100 USB 2.0 fast ethernet adapter makes it easy to connect your laptop to a fast ethernet network Adds a 10/100BaseT Ethernet port to a computer Designed for use with a USB 2.0 port Auto-sensing detects the correct network speed 7.5 inch USB cable length