The #1 Best-Selling Gaming Peripherals Manufacturer in the US: Source - The NPD Group, Inc., U.S. Retail Tracking Service, Gaming Designed: Keyboards, Mice, PC Headsets, and PC Microphones, Based on dollar sales, Jan. 2017- June 2020 combined High-Precision 16,000 DPI Optical Sensor: Offers on-the-fly sensitivity adjustment through dedicated DPI buttons (reprogrammable) 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 7 Programmable Buttons: Allows for reconfiguration and assignment of complex macro functions through Razer Synapse Multi-Day Battery: Lasts up to 50 hours on a single charge with lighting disabled