The Adesso iMouse X1. the Multi-Color 6-Button Gaming Mouse is equipped with an optical gaming sensor to ensure pinpoint precision in different usage environments. Additionally. different color illuminations also allow users to work or play in dark environments. Also. the ambidextrous design and texturized rough surface on both sides of the mouse provide better grip for both left and right handed users. Lastly. the built-in DPI switch button offers the convenience of switching between different DPI levels(1000/1600/2400/3200) and colors (white/green/blue/red) all at the tip of your fingertip!