Combines a top quality gaming sensor with a comfortable ergonomically designed vertical mouse so you can play and work all day. Keep your hands, wrists, and elbows comfortable and stress free with our pro performance gaming mouse. All silent buttons so you don't disturb your roommates! 12 Customizable Buttons with Custom Gaming Software to Setup Gamer Profiles, Macros, Adjust DPI Refresh Rate and other settings, etc., Gaming Sensor: PMW 3325, Resolution : 1000 - 2000 - 3000 - 5000 - 10000 DPI Refresh Rate : 125 - 1000 Hz Product Dimensions : 134 x 96 x 83mm, Product Weight : 165 g