Color:White,Red,Blue,Purple,Black,Grey
<br />Buttons: 6 buttons with scroll wheel.
<br />Tracking systems: Optical.
<br />Switch Life: 5 million cycle.
<br />Operating distance:1.5m
<br />Compatible with Windows XP, Vista, Windows 7, ME, 2000 and Mac OS...or latest.
<br />User for: The high-end players, gaming professional players.