High-Precision 16,000 DPI Optical Sensor: Offers on-the-fly sensitivity adjustment through dedicated DPI buttons (programmable) for gaming. Customizable Chroma RGB Color Profiles: Includes 16.8 million color combinations w, included preset profiles. Improved, Ergonomic Design: Rubberized side grips reduce fatigue over long use sessions. Ridged, Rubberized Scroll Wheel for Maximum Accuracy: Small, tactile bumps increases grip and helps with more controlled scrolling in high-stakes gaming situations. 9 Programmable Buttons: Allows for reconfiguration and assignment of complex macro functions through Razer Synapse. Durable Mechanical Switches: Supports up to 50 million clicks, backed by a 2 year warranty.