Take the chaos under control with this Optical Gaming Mouse. Extreme optical precision up to 4000DPI is available for ultimate control. The DPI switches allow you to adapt with the 7 programmable DPI profiles and 2 DPI switches. The ergonomic design of the TTX TECH Optical Gaming Mouse allows you to comfortably play through long gaming sessions. System requirements: PC with USB(r), Windows XP (r), Windows Vista (r), Windows 7 / Windows 8 DPI resolutions: maximum 4000 / 250 Min. ; 250 DPI Intervals 1000Hz Ultrapolling Report Rate: 6400 Frames per Second Wired USB (r) 2.0 Connection 7 programmable buttons 2 customizable profiles 4 color DPI indicators per profile Tilt Click Scroll Wheel Slick mouse feet 1 foot (1.8m) Braided fibre cable Dimensions : Approximate Size: 5.1 (131mm) 3.3 (84mm), 1.5 (39mm), and a height of 1.5 (39mm).