Smart Tunable Weight System: CORSAIR-exclusive software automatically detects the mouse’s center of gravity in real time, allowing you to adjust weight between 119g and 141g and fine-tune balance to perfectly fit your grip. CORSAIR’S Most Advanced Optical Sensor Yet: A custom Pixart PMW3391 native 18,000 DPI optical sensor, adjustable in 1 DPI resolution steps, gives you total sensitivity customization and ultra-accurate tracking. Professional Comfort: Built with a contoured shape that naturally fits your hand, with high-performance rubber grips inspired by pro sports equipment. Ten Fully Programmable Buttons: Customize your gaming with the in-game advantage of powerful macros and key remaps. Precise Weight Calibration: Two sets of weights and six mounting locations offer 120 different weight and balance configurations.