FEATURES- Gamer Mouse Optical GM-4200
       6 button optical gamer mouse with 1600 dpi optical sensor for
        enhanced response and accuracy.
       Sensitivity adjustment button to switch between 800 and 1600 dpi 
        resolution.
       6 programmable buttons to assign various game actions.
       Optimized design with durable rubber coating for comfortable grip.
       Lightweight USB cable for less drag and maximum freedom of movement.
       Up to 20g acceleration tracking and 1.65 meter/second speed for 
        accurate surface tracking at high speed movement.
* Requires Windows Vista, XP or 2000 and USB port.

6 button optical gamer mouse with 1600 dpi optical sensor for enhanced response and accuracy. Sensitivity adjustment button to switch between 800 and 1600 dpi resolution. 6 programmable buttons to assign various game actions. Optimized design with durable rubber coating for comfortable grip. Lightweight USB cable for less drag and maximum freedom of movement. Up to 20g acceleration tracking and 1.65 meter/second speed for accurate surface tracking at high speed movement.