63g / 64g Ultra-lightweight Design No deadweight: Made more than 25% lighter than the Razer DeathAdder V2 Pro, enjoy a level of speed and control favored by the world’s top players with one of the lightest ergonomic esports mice ever created. Refined Ergonomic Form Optimized for unrivalled handling and comfort: Developed in partnership with top esports pros, the iconic shape of the Razer DeathAdder has been further improved to continue its legacy of award-winning handling and comfort. Razer Focus Pro 30K Optical Sensor Best-in-class precision: Razer’s brand-new sensor provides flawless tracking performance on a wider variety of surfaces including glass—supported by intelligent functions for enhanced aim and control Razer Optical Mouse Switches Gen-3 No double-clicking issues. No debounce delay: From an improved 90-million click lifecycle with zero double-clicking issues, to a blistering 0.2ms actuation with no debounce delay, the mouse has the reliability and speed built for esport Razer HyperSpeed Wireless 25% faster than other wireless: With a connection 25% faster than any other wireless tech available, enjoy high-performance, low-latency competitive play that remains smooth and stable even in noisy wireless environments. Up To 90 Hours of Battery Life No gaming downtime: With a smaller, lighter battery that boasts greater power efficiency, this wireless ergonomic esports mouse can run for up to 90 hours of continuous play and is rechargeable via USB Type C.