Honor-Winning The design of ergonomics More pros than any other mouse have won thanks to the DeathAdder's iconic shape, which is trusted by over 13 million fans worldwide. One such pro is the three-time League of Legends world champion Faker Ultra-Fast. Wireless Razer HyperSpeed: Featuring an ultra-low latency wireless connection and the same fast Razer HyperSpeed Wireless technology found in our premium gaming mice Extended Battery Life: With Razer HyperSpeed Wireless (2.4GHz) and Bluetooth, the mouse can play games without interruption for up to 235 and 615 hours, respectively, before the battery needs to be changed. Generation 2 Razer Mechanical Mouse Switches: With switches that feature new gold-plated contact points, are less likely to deteriorate, and have a lifespan of up to 60 million, you can experience clear and reliable performance.