. . Designed for esports The Razer Viper Ultimate is a light wireless gaming mouse making no compromise on strength with its true ambidextrous form factor. Its optimal weight is designed for faster and smoother control. Optical mouse switch Every click you make is actuated at the speed of light with no debounce delay so you’ll always be the first to pull the trigger. The switches are also very durable. Powerful sensor The sensor ensures that even the finest movement of your mouse is tracked giving you an acute level of precision for game-winning headshots and highly elusive manoeuvres..