Razer Viper Ultimate Hyperspeed Lightest Wireless Gaming Mouse, 20K DPI Optical Sensor, Chroma RGB Lighting, 8 Programmable Buttons (Without Charging Dock) – Black | RZ01-03050200-R3G1

At a glance Razer Hyperspeed Wireless technology Razer Focus+ Optical Sensor Razer™ Optical Mouse Switches 74g lightweight design 70 hours of battery life Tech Specs True 20,000 DPI Focus+ optical sensor with 99.6% resolution accuracy Up to 650 inches per second (IPS) / 50 G acceleration Advanced Lift-off/Landing distance customization HyperSpeed wireless techn