?Reliable Quality & Hassle-Free Warranty?Bloody's pc gaming mouse, 50 million click lifespan and built with the very best materials for pc gaming mice guarantees reliability for years. If you aren't completely satisfied and its less then 30 day from purchase, we accept returns for a full refund. For any questions or feedback, you might have, you can contact our super-friendly customer service team. We are happy to help you and to further improve our product. Also we offer a 3 years warranty!. ?Fully Programmable Buttons and On Board Memory?8 customizable buttons programmable by Bloody Gaming Easy-to-Program gaming software that can make the mouse suitable to the demands of different games. Great value and control for FPS gaming mouse, also excellent for MOBA/RTS games. Compatible with Windows 10, Windows 8, Windows 7, Windows XP, Vista, Linux etc. (Note: No programming function for Mac system). ?Faster Than Traditional Mechanical Switches?Bloody Pioneers the optical switches, LK uses light beam-based actuation, registering button presses at the speed of light for complete immersion and absolute control. ?Ergonomic & Skin-Friendly Rubberized Black Coating?Ergonomic design for premium comfort. Streamlined design with a non-slip and anti-sweat finish. A perfect fit for all hand sizes and shapes; to get the most out of your gaming experience. ?Excellent Grade Gaming Performance With PMW 3360 Optical Sensor, 12,000 DPI and 4 Polling Rate? True 1:1 raw input and superior tracking to ensure ultra-accurate movements and responsiveness, giving you the advantage on the battlefield. Bloody 6 software allows CPI adjustments 100-12,000 and Report Rate adjustments of 125/250/500/1000Hz for different levels of responsiveness.