20 mmo tuned buttons customization evolved pre configured for optimal mmo use right out of the box g600 includes three primary buttons 12 thumb buttons a clickable scroll wheel that tilts and a g switch to double down and dominate use optional logitech gaming software for full programmability and customization dual dish thumb panel precise and intuitive put immediate access to all 12 primary mmo skills under your thumb the unique dual dish design of the thumb panel was developed with dire