Mionix Castor Multi-Color Ergonomic Optical Gaming Mouse, MNX-01-25001-G Premium 6 button multi-color optical right-handed ergonomic gaming mouse. The unique award winning shape and has been developed to be used by right-handed gamers and to equally support palm, claw and fingertip grip style. The mouse has a dedicated pinky- and ring-finger support-groove which makes it most comfortable to hold and lift even for low sensitivity FPS play styles. The mouse has a dedicated pinky- and ring-finger support-groove which makes it most comfortable to hold and lift in RTS Game like LOL, DoTA further it suits low sensitivity FPS play styles in game like CS:GO, Overwatch, Battlefield, Quake. Mionix RGB multi color lighting with 16.8 million customizable color options whether you're in the mood for ice cream blue, frosting pink, or french fries yellow, you can now illuminate your Castor scroll wheel and Mionix logo just the way you want The Castor uses a PMW-3310 gaming grade optical sensor which has no positive or negative hardware acceleration set at native 5000 DPI. Whether you are gaming at high or low sensitivity, the Castor will always respond onscreen with razor sharp accuracy and the natural fluidity only possible with our phenomenal MAC and PC software.