3200 DPI 7 Button LED Optical USB Wired Gaming Mouse<br>Specification:Buttons: 7 buttons with scroll wheel.Tracking systems: Optical.The Max DPI: 800-1600-2400-3200Ultra-precise Scroll Wheel.Optical technology works on most surfaces.Ergonomically designed， long-term use without fatigue.Intelligent connectivity， no need to code， plug &amp;amp; play.Built-weight iron， feel comfortable， mobile and stability.Switch Life: 5 million cycle.Compatible with Windows XP， Vista， Windows 7， ME， 2000 and Mac OSUser for: The high-end players， gaming professional players.<br>Package included:1 X Gaming Mouse<br>More details: