63g Ultra-lightweight Design: Enjoy a level of speed and control favored by the world’s top players with one of the lightest ergonomic esports mice ever created Focus Pro 30K Optical Sensor: Flawless tracking performance on a wider variety of surfaces including glass—supported by intelligent functions for enhanced aim and control Optical Mouse Switches Gen-3: 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 esports Razer HyperSpeed Wireless: With a connection 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: Smaller, lighter battery that boasts greater power efficiency and can run for up to 90 hours of continuous play — rechargeable via USB Type C Ergonomic Form: 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 Mouse Grip Tape OPTIMIZE MOUSE ACCURACY — Improve accuracy by disabling the "Enhance pointer precision" option in the Windows mouse settings, and further optimize performance using the Razer Synapse App