SteelSeries Kana Gaming Mouse - Counterstrike Global Offensive Edition Custom Counterstrike Global Offensive Design Ambidextrous shape with ergonomic button layout Amazingly comfortable size, for all grips Tournament Grade Optical Sensor Illuminated scroll wheel SteelSeries Engine will allow complete configuration and control of your mouse and game play Drag & drop macros with timing control Unlimited number of profiles, heat map of button use and 5 programmable buttons