In order to achieve the perfect balance between control and speed, the Razer Firefly features a hard, micro-textured finish that gives you pinpoint accuracy and effortless speed. The precise, consistent surface ensures your every mouse movement is translated into cursor movement, so you enjoy ultimate precision during the most action-packed gaming duels. OPTIMIZED FOR ALL SENSITIVITY SETTINGS AND SENSORS Validated by eSports athletes, the Razer Firefly is engineered to give you complete control regardless of which gaming mouse or sensitivity settings you use. Its lab-tested coating features an enhanced reflective quality to deliver rapid in-game responsiveness. CHROMA LIGHTING WITH 16.8 MILLION CUSTOMIZABLE COLOR OPTIONS. Discover a whole new level of personalization with 16.8 million colors and a myriad of customizable lighting effects. With lighting along the left, right and bottom of your Razer Firefly, syncing up with your other Chroma enabled Razer devices means your gaming experience is complemented by a visually stunning display of colors and effects.