16 programmable buttons for extended controls. 85g midweight ergonomic design for smooth, effortless control. 2nd-gen Razer Optical Mouse Switch for actuation at the speed of light. Razer 5G Advanced Optical Sensor for next-level precision. Powered by Razer Chroma RGB for customizable lighting & greater game immersion. Razer Speedflex Cable for minimal drag & fluid swipes.