Hyper durable materials – Engineered with high-grade polymer for durability 60 million click mechanical switches – To feel crisp from the first click to the last TrueMove Core optical gaming sensor – True 1-to-1 tracking 8500 CPI, 300 IPS, 35g acceleration Comfortable ergonomic construction – Ergonomically designed to provide comfort for intense gaming sessions Brilliant prism lighting – Redesigned lighting provides 3 zones of 16.8 million beautifully crisp colors