Over 13 million DeathAdders sold. Over a decade’s worth of awards to its name. Iconic ergonomics now comes with limitless control, thanks to dual wireless connectivity via ultra-fast Razer™ HyperSpeed Wireless or Bluetooth, and 7 programmable buttons including 2 new quick-access edge buttons. Over 13 million DeathAdders sold. Over a decade's worth of awards to its name. Iconic ergonomics now comes with limitless control, thanks to dual wireless connectivity via ultra-fast Razer HyperSpeed Wireless or Bluetooth, and 7 programmable buttons including 2 new quick-access edge buttons. Award-winning Ergonomic Design For Maximum Comfort Trusted by over 13 million fans worldwide, the DeathAdder's iconic shape has provided wins for countless pros more than any other mouseincluding the three-time League of Legends world champ, Faker. Ultra-fast Razer HyperSpeed Wireless For Unparalleled Wireless Performance Featuring the same high-speed Razer HyperSpeed Wireless technology used in our top-tier gaming mice, unleash your true potential with an ultra-low latency wireless connection. 235 Hours of Battery Life (2.4GHz) For Long-lasting Performance With up to 235* hours of seamless low-latency gaming with Razer HyperSpeed Wireless, and up to 615 hours with Bluetooth, the mouse can go for ages before its battery needs replacing. *measured with an AA Alkaline battery Razer Mechanical Mouse Switches Gen-2 For Improved Click Durability and Consistency With new gold-plated contact points, the switches are less prone to degrading and have a longer lifespan of up to 60 million clicks, so you can enjoy crisp execution that's just as consistent. Razer 5G Advanced 14K DPI Optical Sensor For Cutting-edge Precision Enjoy responsive, pixel-precise aim with an improved sensor that flawlessly tracks your movement with zero spinouts. 7 Programmable Buttons For Extended Control Whether you're mapping out the essentials or going all out with advanced macros, have all the control you need at your fingertips with 2 unique quick-access edge buttons and 2 side button