The Razer Viper V4 Pro (2026) is a masterclass in esports engineering, featuring a breathtakingly light 49g chassis that houses the world’s first Focus Pro 50K Optical Sensor Gen-3 for unmatched tracking precision. Built for the most demanding competitive environments, it introduces True 8,000Hz HyperSpeed Wireless connectivity for near-zero latency and debuted the revolutionary Frame Sync Technology to eliminate motion jitter. With an industry-leading 180-hour battery life, hyper-durable Gen-4 Optical Switches, and a new optical scroll wheel, the Viper V4 Pro delivers a seamless, high-performance experience that remains the gold standard for symmetrical gaming mice in 2026.