Extremely robust materials: 60 million click mechanical switches that feel crisp from the first to the last click, designed with premium polymer for durability, True 1 to 1 tracking, 8 500 cpi, 300 ips, and 35g acceleration are features of the True Move Core optical gaming sensor. Ergonomic construction that is comfortable: this design is made to be comfortable during long gaming sessions. Three zones of 16 8 million exquisitely clear colors are provided by the brilliant prism lighting, which has been redesigned. Three zones of 16 8 million gorgeously clear colors are provided by brilliant prism lighting, which has been redesigned.