Razer DeathAdder Elite Designing a gaming mouse to meet the exacting demands of the esports elite, takes cutting edge technology, coupled with incredible ergonomics, and extended durability. The Razer DeathAdder Elite features the world’s most advanced optical sensor, the all-new Razer Mechanical Mouse Switches as well as the stellar ergonomics that the top esports professionals worldwide swear by, so you’ll have unsurpassable accuracy and speed to dominate the playing field.