Stay in the game longer thanks to a comfortable contoured shape that naturally fits your hand Three included interchangeable thumb grips provide a tailored fit for your hand Equipped with a custom, gaming-grade native 18,000 dpi optical sensor with 1 dpi resolution steps for reliable, high-accuracy performance High-performance Omron switches rated for more than 50 million clicks guarantee long-lasting durability through years of gaming Dynamic RGB backlighting across three lighting zones, customizable with a massive range of colors and effects Powerful CORSAIR iCUE software enables vivid dynamic RGB lighting control, sophisticated macro programming, and full-system lighting synchronization across all compatible CORSAIR peripherals and components Onboard storage to take your lighting profiles, macros, and DPI settings with you wherever you go, without the need for drivers or additional software Aluminum scroll wheel with rubber grip ensures accuracy and stability