The #1 Best-Selling Gaming Peripherals Manufacturer in the US: Source - The NPD Group, Inc., U.S. Retail Tracking Service, Keyboards, Mice, PC Headset, PC Microphone, Gaming Designed, Based on dollar sales, Jan. 2017- Mar. 2020 combined. High-Precision 6400 DPI Optical Sensor: Offers on-the-fly sensitivity adjustment through dedicated DPI buttons (reprogrammable) for gaming Customizable Chroma RGB Color Profiles: Supports 16.8 million color combinations w/ included preset profiles Quick DPI Toggle for FPS Gaming: A replaceable side button for different hand sizes allows for quick, temporary switching to lower sensitivity settings for instant sniping Ergonomic Design: Rubberized scroll wheel and side grips increase accuracy and reduce fatigue over long sessions 7 Programmable Buttons: Allows for reconfiguration and assignment of complex macro functions through Razer Synapse Durable Mechanical Switches: Endures up to 50 million clicks, backed by a 2 year warranty