The mouse lights up and is customizeable. There are buttons on each side and you can set it up for a left handed or right handed person. 8 different buttons you can program and a ton of colors too. Also the way the colors ar displayed, pulse speed,brightness,and other effects can all customized. #Rankboosterreveiw #Sponsored #Hcman https://www.amazon.com/Hcman-Breathing-Backlit-Programmable-Computer/dp/B077PXVS58