ZELOTES 2500 DPI Wired USB Optical Mouse Mice,Up to 6000 DPI, 9 Programmable Buttons with 7 Color Option LED Gaming Gamer Ergonomic Mouse - White Color DPI: 1000/1500/2000/2500 Note: the DPI can adjust to 6000 by CD drive; refer to title 4.8 of the instruction. 9 Programmable Buttons (Left/Right/Mid/Forward/Backward/DPI +/DPI -/Fire Key\Light Switch Button) have different functions and make it easier to operate during the game. You can define the functions of these buttons by yourself. Easily adjust the DPI (DPI: 1000-1500-2000-2500) by the "DPI +" and "DPI -" buttons. The computer will show you the prompt. Easy operation! (Ps: The resolution can reach up to 6000DPI by the software/CD drive) Colorful effect: Built-in seven-color breathing lamp and you can turn off the breathing lamp as your want Compatible system: XP/Windows Vista/Wins 7/Wins 8/Mac OS and other OS with CD-ROM