ABSOLUTE CONTROL\nControl the outcome of any battle with a gaming mouse that combines high precision, a cutting-edge lightweight body, and the fastest actuation in gaming. Meet the Razer Viper—featuring industry-leading mice technology that’s designed with and tested by Team Razer athletes, bringing you a mouse that’s bred to tear up the pro scene.\n\nRAZER™ OPTICAL MOUSE SWITCH\nEvery click you make actuates at the speed of light. The Razer™ Optical Mouse Switch utilizes an infrared light beam to register a click, resulting in an industry-leading response time of 0.2 milliseconds. Its instant actuation eliminates debounce and unintended clicks, giving you complete control in execution.\n\nRAZER 5G OPTICAL SENSOR\nEngineered with 99.4% tracking accuracy and up to 16,000 DPI, the Razer 5G Optical Sensor offers deadly precision. When combined with your physical dexterity and skill, the Razer Viper represents a mouse that achieves a true extension of yourself in the game.\n\n69G LIGHTWEIGHT DESIGN\nDuring competition, even the tiniest advantage can make a difference. The Razer Viper weighs in at just 69g without any compromise on its build strength. A lighter mouse allows swifter, more controlled swipes, augmenting the speed of your reaction in battle.\n\nRAZER™ SPEEDFLEX CABLE\nIn our pursuit of giving you every ounce of competitive edge, we’ve designed a mouse cable that enables smoother swipes. The Razer Viper features the highly flexible Razer™ Speedflex Cable, bringing you unhindered control with minimal drag.\n\nONBOARD DPI STORAGE\nPre-set up to 5 custom DPI stages via Razer Synapse 3 and bring your settings anywhere so you’re always ready to compete at your best.\n\nUNDERSIDE DPI BUTTON\nAs requested by Team Razer athletes, the mouse is designed with the DPI button on its underside to prevent accidental DPI shifts when gaming.\n\n8 PROGRAMMABLE BUTTONS\nFully configurable via Razer Synapse 3, the 8 programmable buttons let you access macros and secondary functions so you can execute extended moves with ease.