Gaming Mouse 7 Colors backlight with breathing effectFeaturing:High-profile design with full palm and thumb supportBacklit scroll wheel with enhanced grip7 Colors backlight with breathing effect Tech specs:Sensor: OpticalDPI: 1200-1800-2400-3600Buttons: 7Switch rating: 3 million clicksBacklight: 7 colorsInterface: USB 2.0 Cable length: 1.5 mWeight: 130 gOS support: Windows XP or newer