This is a 3ft USB 2.0 (A) male to female black cable. It allows your standard USB 2.0 (A) equipped laptop, PC, or USB charger to connect to any USB 2.0 (A) equipped device, such as a mouse, keyboard, thumb drive, or external hard drive. The USB 2.0 (A) connector also grants backwards compatibility to any USB 1.x (A) equipped device. Our cables are backed by a 3 year warranty and are guaranteed to work the first time.