High Sensitivity & Adjustable DPI: 5 adjustable DPI levels (500/1000/2000/ 3000/4000/8000) and 4 adjustable Polling rate 125/250/500/1000Hz, providing you with a smooth, fast response and accurate tracking gaming experience. Besides,DPI of RGB gaming mouse can be freely adjusted in software(DPI:250-8000), which instantly match mouse speed to game demands. Whether aiming, aiming, slashing or attacking, the mouse is a good choice for gamer Fire Button: One click of Fire button is equal to TRIPLE clicks, which brings gamer the edge in intense FPS games,such as Call of Duty, Crysis3, CS:GO. The PC gaming mice with Fire Button helps you win games faster.The driver can be downloaded from Rrdragon offizielle Website Programmable Gaming Mouse: In Macro of the programming software, user can redefine the function of gaming mouse buttons, which can better match usage habits and improve efficiency in games or work. Not only buttons, but also the backlight and DPI can be adjusted according to your needs in the macro interface Amazing Atmosphere : The RGB gaming mouse has 16.8 million colors and 9 default backlight modes(Backlight can be closed). To support personalized gaming atmosphere, the color of ligth could be set arbitrarily in program software. Better game atmosphere and better enjoyment of the game Ergonomic& Comfort: Solid frame with a streamlined and general claw-grip design of the PC Gaming Mouse is designed for comfort, fits naturally in hand to reduce Grip fatigue. Extra non-slip grips of Ergonomic Mouse on both sides help aim and straf so much easier COMPATIBILITY: The gamer mouse is compatible with Windows 2000/ME/XP/03/XP/VISTA/7/8/10/11 system for programmable use and Mac OS for normal use. Whether aiming, aiming, slashing or attacking, the mouse is a good choice for gamer