Specifications:<br /><br />1. Type: Wired Mouse<br />2. Buttons: 6 buttons with scroll wheel.<br />3. Max DPI:  4200 DPI<br />4. Adjustable DPI Switch:800-1000-1600-2000-3000-4200DPI<br />5. Switch Life: 5 million cycle<br />6. Size: 131*74*45mm <br />7. Compatible :Windows XP｣ｬ Vista｣ｬ Windows 7/8｣ｬ for ...<br />8. User for: The high-end players &amp; gaming professional players<br /><br />Features:<br /><br />1. High end optical engine｣ｬ precise positioning.<br />2. 6 buttons｣ｬ including the wheel｣ｬ the left button｣ｬ right button｣ｬ advance｣ｬ retreat｣ｬ DPI switch.<br />3. Ergonomic design｣ｬ feel comfortable｣ｬ long-term use without fatigue.<br />4. Intelligent connection｣ｬ plug and play.<br />5. the life of the switch is as high as 10 million.<br /><br />Package included:  <br />1 X Gaming Mouse