The StarTech USB31000SPTB USB 3.0 To Gigabit Ethernet Adapter is a versatile and compact device that allows you to easily connect your USB 3.0 equipped computer to a Gigabit Ethernet network. With a sleek black design and a 1:1 connection split/duplication, this adapter features Ethernet (RJ-45) female and male connectors as well as a USB 3.0 connector. It is powered and portable, making it convenient for on-the-go use. The cable length of 1 foot ensures a reliable and efficient connection for your networking needs.