An optical mouse is a type of computer mouse that uses a light source, typically a LED, to detect movement. Unlike traditional mice that rely on a ball, optical mice work on various surfaces by capturing images of the surface beneath them and translating that movement into cursor movement on the screen. These devices are popular for their accuracy and ease of use. They often feature additional buttons for extra functions and are available in various designs. Optical mice connect to computers via USB or wireless technology, making them versatile for different setups.