82g Lightweight Design Featuring a weight-centered design, the Razer Viper V3 HyperSpeed ensures smooth, consistent movements that are crucial for competitive play, so you never have to settle for unbalanced, battery-powered mice. Razer Focus Pro 30K Optical Sensor With forward-facing sensor placement and intelligent features, our top-of-the-line sensor ensures a greater degree of accuracy while maintaining flawless tracking on a wider variety of surfaces, including glass. Up to 280 hours of battery life Power through the most intense scrims and tournaments with up to 280 hours of high-performance gaming on a single battery AA. Razer HyperSpeed Wireless Enjoy a flawless connection that remains smooth and stable even in noisy wireless environments. Equipped with multi-device support for a simplified esports setup. Razer Mechanical Mouse Switches Gen-2 Rated for a lifespan of 60 million clicks, the switches feature gold-plated contact points for greater wear resistance so you can enjoy clean execution. On-Mouse DPI Control Conveniently located on the top of the mouse, press the button to quickly switch between 5 DPI stages or customize its function and assign it to a key command.