. Esports has an apex predator. As successor to the award-winning Razer Viper Ultimate Razer’ advanced evolution is more than 20% lighter and armed with all-round upgrades for enhanced performance. With one of the lightest wireless gaming mice ever there’s nothing holding you backKey Product Info . Upgradeable to true 4000 Hz wireless polling rateRazer Focus Pro 30K optical sensorUnlock ultra-fine adjustmentsAuto-calibrates across different surfacesHigher responsiveness and more consistent trackingPower to perform Product Features Upgradeable to true 4000 Hz wireless polling rateExperience a faster wireless performance with the Razer HyperPolling wireless dongle. Unlock a standard of responsiveness with the ultimate upgrade for Razer more advanced mice to secure the speed you need for top-flight competitive gaming. Razer Focus Pro 30K optical sensorTeaming up with Pixart Razer is proud to present to you a more precise optical sensor. Take a closer look as the break down the upgrades in the breakthrough tech. Unlock ultra-fine adjustmentsEnable asymmetric cut-off to individually set a lift-off and landing distance that’s tuned to your playstyle - with 26 granular levels of height adjustment compared to only 3 in the previous version. Auto-calibrates across different surfacesWith Smart Tracking the Razer Focus Pro optical sensor is able to maintain a consistent lift-off distance no matter what surface it’s used on allowing for greater control and accuracy. Higher responsiveness and more consistent trackingWith Motion Sync the Razer Focus Pro optical sensor syncs its signals to the exact intervals your PC extracts information ensuring you’ll get the most current updates of your mouse position for more consistent tracking. Power to perform90-million click lifecycle with no double-clicking issues. Power through an insane amount of gaming with a Type C rechargeable design. 25% faster than other wireless tech featuring multi-device support.