ROCCAT Kiro - Modular Ambidextrous Gaming Mouse 4000DPI PRO-OPTIC SENSOR R2 - from 2000 native dpi via overdrive mode 16.8M MULTICOLOR ILLUMINATION - customizable ROCCAT logo light system TALK FX + ALIENFX SUPPORT - lighting effects for your favorite games 32-BIT ARM MCU + ONBOARD MEMORY - for rapid command and shortcut execution SUPERDEXTROUS SHAPE - optimized for both left- and right-hand use EXTENDABLE DESIGN - with modular component compatibility