Award-winning Ergonomic Design Trusted by over 13 million fans worldwide, the DeathAdder\\\'s iconic shape has provided wins for countless pros more than any other mouse-including the three-time League of Legends world champ, Faker. Ultra-fast Razer™ HyperSpeed Wireless 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) \\\'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 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 Enjoy responsive, pixel-precise aim with an improved sensor that flawlessly tracks your movement with zero spinouts. 7 Programmable Buttons 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 buttons.