Feature:<br />Optical technology works on most surfaces.<br />Ergonomically designed｣ｬ long-term use without fatigue.<br />Intelligent connectivity｣ｬ no need to code｣ｬ plug & play.<br />Built-weight iron｣ｬ feel comfortable｣ｬ mobile and stability.<br />Ajustable DPI Switch: 1000DPI(Red Light) / 1600DPI(Green Light) / 2400DPI(Blue Light) / 3200DPI(Purple Light) / 5500DPI(Orange Light).<br />Ultra-precise Scroll Wheel.<br /><br />Specifications:<br />Tracking systems: Optical.<br />Buttons: 7 buttons with scroll wheel.<br />The Max DPI: 5500DPI.<br />Switch Life: 5 million cycle.<br />Package Weight: about 162g.<br />Compatible with Windows XP｣ｬ Vista｣ｬ Windows 7｣ｬ ME｣ｬ 2000 and Mac OS...or latest.<br />User for: The high-end players｣ｬ gaming professional players.<br /><br />Package Content:<br />1 X Gaming Mouse