The StarTech.com USB 3.0 Gigabit Ethernet Network Adapter with USB Port is a black adapter designed for computers and tablets. It features an Ethernet (RJ-45) female connector and a USB 3.0 connector, making it compatible with various devices. With a compact size of 3 inches in length and 2.4 inches in width, this adapter offers a simple and efficient solution for connecting to a wired Ethernet network via USB. The StarTech brand ensures reliability and quality in this essential computer networking component.