The D-Link HUB (DUB-H4) is a 4-port USB 2.0 external hub that allows users to easily expand their computer's connectivity options by providing additional USB ports. With the reputable D-Link brand behind it, users can trust the quality and reliability of this product. Perfect for connecting multiple devices such as printers, scanners, keyboards, and external hard drives, this USB hub offers convenience and flexibility for both home and office use.