Razer Focus Pro 35K Optical Sensor Gen-2 - Best-in-Class Precision: Experience best-in-class tracking performance on a wider variety of surfaces including glass, supported by intelligent functions and 1-DPI step adjustments for more granular aim and control. Up to 140 Hours on Razer HyperSpeed Wireless - High-Performance, Low-Latency Gaming: Enjoy smooth, lag-free performance for non-stop play or unlock a true 8000 Hz polling rate with the Razer Mouse Dock Pro or HyperPolling Wireless Dongle (both sold separately). 13 Customizable Controls - Limitless Configurations: Assign an endless combination of commands and macros across 13 easy-access controls - including its acclaimed multi-function trigger - to execute essential actions like push-to-talk, ping, and more. 13-Zone Chroma Lighting with Full Underglow - Powered by Razer Chroma RGB: Customize each zone from over 16.8 million colors and countless lighting effects, and experience greater immersion as they react dynamically with over 200 Chroma-integrated games. Razer Optical Mouse Switches Gen-3 - Unrivalled Durability and Speed: From an improved 90-million click lifecycle with zero double-clicking issues, to a blistering 0.2 ms actuation with no debounce delay, enjoy reliability and speed that outshines all others.