Corsair Vengeance M90 Performance MMO Gaming Mouse (CH-9000002-NA) Enthusiast grade 5700 dpi laser sensor - Maximum precision, ultra responsive mouse control for dominance over players with mice that have less accuracy or speed. 15 Intelligently positioned, buttons, including 9 Macro keys - Easily access abilities, macros, button combos, spells with the fully customizable buttons so you can keep complete focus on the encounter and not need to look for needed controls or your hand. Contoured fit , one piece aluminum frame designed and tuned for exceptional MMO/RTS gameplay. Features a design that is comfortable to the hand even for extended hours gaming sessions 48KB of on-board memory for storing up to six "on the go" profiles with active profile LED Lift detection - Allows for high precision tracking and cursor placement even when lifted off of the mousing surface. Even quick movements and repositions continue to provide smooth, reliable performance High mass scroll wheel - Switch weapons rapidly so you can easily select and use the right weapon or spell in your arsenal PTFE Glide Pads - Smooth performance that works allows the mouse to glide effortlessly across almost any surface. Omron left and right click switches rated for eight million operations