Gaming Mouse Programmable 4000 Dpi Kingtop Wired Ergonomic Led Gaming Mouse with 12 Side Buttons for Laptop Pc Optical programmable gaming mouse with 1000-1500-2000-4000DPI resolution and 7-color circular breathing. 12 programmable buttons have different functions, make it easier to work during the game. You can define the function of these keys themselves. Ergonomic design, in accordance with the habits of most people. Sweat proof and non-slip surface design brings you comfortable feeling and you will not get tired, even if you used a long time. The mouse is built with 8 weights and can be adjusted according to your habit. Compatible System: Windows XP / Windows Vista / Windows 7 / Windows 8 system.