Take hold of your game with the Razer Tartarus Pro and never let victory escape your grasp. Experience measured, nuanced control with its Razer Optical Analog Switches that have adjustable actuation, while arming yourself with a deadly arsenal of commands and macros across 32 programmable keys. MORE DETAILS: Razer™ Analog Optical Switch Razer Chroma™ customizable backlighting with 16.8 million color options Synapse Enabled Analog Functionality