This is a 5-pack of 15ft USB 2.0 male to female black extension cables. Each allows your standard USB 2.0 (A) equipped laptop, PC, or USB charger to extend the length of its connection 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. This product grants you the freedom to be flexible and organized with your devices, without having to worry about sacrificing quality for longer distances. Our extension cables are backed by a 3 year warranty and are guaranteed to work the first time.This is a 5-pack of 15ft USB 2.0 male to female black extension cables. Each allows your standard USB 2.0 (A) equipped laptop, PC, or USB charger to extend the length of its connection 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. This product grants you the freedom to be flexible and organized with your devices, without having to worry about sacrificing quality for longer distances. Our extension cables are backed by a 3 year warranty and are guaranteed to work the first time.