The Razer Viper Ultimate is a wireless gaming mouse that was released in 2019. It is the successor to the Razer Viper, and it features a number of improvements, including a lighter weight, a longer battery life, and a more comfortable design. The Viper Ultimate is powered by the Razer Hyperspeed wireless technology, which provides a lag-free connection with up to 70 hours of battery life. It also features the Razer Focus+ optical sensor, which has a maximum DPI of 20,000 and a tracking speed of 650 IPS. The Viper Ultimate is compatible with both PC and Mac, and it comes with a charging dock.