This Syba SD-ADA24039 USB 3.0 Gigabit Ethernet Adapter is designed to offer a fully integrated, cost effective, compact, and reliable solution to users without or users that would like to have/add an extra Ethernet interface in their laptop/notebook system. With a use of USB port, you may get speeds up to 10/100/1000Mbps. The use of this device is very easy.To install, just connect the dongle to any USB port and install the drivers for your specific operating system. No need to open the computer case!