Laser mouse with superb ergonomics for hours of fatigue-free use, 3200 dpi for ultra high mouse speed and accuracy. Adjustable weights and Teflon feet area for precise control of mouse momentum. 9 LEDs for super-cool, pulsating lighting effects! 4-stage (800/1600/2400/3200) dpi on-the-fly sensitivity adjustment, 3 buttons and scroll wheel , 4 fully programmable buttons including shift to double up on commands. 4.5 mega pixels per second report rate accelerates mouse movement up to 20G. Gold plated, USB 2.0 connector,SST programmable software specific profiles. Automatic safety cut-off prevents laser glare. System requirements: Win 2000, XP, XP64.