Feature: 100% brand new and high quality Quantity: 1 USER for The high-end players、 gaming professional players Buttons: 6 buttons with scroll wheel DPI Max: 2400DPI Ergonomically designed、 long-term use without fatigue Intelligent connectivity、 no need to code、 plug & play Switch Life: 5 million cycle Compatible for Windows XP、 Vista、 Windows 7、 Windows 8、 ME、 2000 and Mac OS...or latestPackage Content: 1X Gaming Mouse (Without Retail Package)