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， Vista， Windows 7/8， for ...<br />8. User for: The high-end players &amp; gaming professional players<br /><br />Features:<br /><br />1. High end optical engine， precise positioning.<br />2. 6 buttons， including the wheel， the left button， right button， advance， retreat， DPI switch.<br />3. Ergonomic design， feel comfortable， long-term use without fatigue.<br />4. Intelligent connection， 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