ROCCAT ROC-11-310-AM LUA Tri-Button Gaming Mouse, Black PRO OPTIC (R2) SENSOR from 250 to 2000 dpi, 7-steps AMBIDEXTROUS V-SHAPE for left- and right-handers ARCTIC BLUE LED LIGHTING for atmospheric gaming ROCCAT DRIVER for customized gaming DPI CHANGE for easily switching sensor speed NO-SWEAT SIDE GRIPS for extended slip-free play ULTRA-PRECISE 2D WHEEL with lock-in incremental steps . HIGHEST-QUALITY COMPONENTS for a solid build and longest life 2000 dpi optical Sensor - 60 ips maximum speed - 20 Gs of acceleration - 1000Hz polling rate - 1.8 m USB cable PRO OPTIC (R2) SENSOR from 250 to 2000 dpi, 7-steps AMBIDEXTROUS V-SHAPE for left- and righthanders ARCTIC BLUE LED LIGHTING for atmospheric gaming ROCCAT DRIVER for customized gaming DPI CHANGE for easily switching sensor speed NO-SWEAT SIDE GRIPS for extended slip-free play ULTRA-PRECISE 2D WHEEL with lock-in incremental steps . HIGHEST-QUALITY COMPONENTS for a solid build and longest life 2000 dpi optical Sensor - 60 ips maximum speed - 20 Gs of acceleration - 1000Hz polling rate - 1.8 m USB cable