Features : - High-Precision 6,400 DPI Optical Sensor: Offers on-the-fly sensitivity adjustment through dedicated DPI buttons (reprogrammable) for gaming and creative work - Durable Mechanical Switches: Supports up to 10 million clicks, backed by a 2 year warranty - Ridged, Rubberized Scroll Wheel for Maximum Accuracy: Small, tactile bumps increases grip and allows for more controlled scrolling in high-stakes gaming situations - 5 Programmable Buttons: Allows for button remapping and assignment of complex macro functions through Razer Synapse(Chemicy Gaming)