Warranty Concierge: Exclusive to GameShop customers only. Free warranty return. Hassle free and convenient. Favored by millions worldwide, the mouse’s signature shape perfectly supports cutting-edge ergonomics and endless customizability options. Customize each zone from over 16.8 million colors and countless lighting effects, and experience greater immersion as they react dynamically with over 150 Chroma-integrated games. Razer’s brand-new sensor provides flawless tracking performance on a wider variety of surfaces, including glass supported by intelligent functions for enhanced aim and control. From an improved 90 million click lifecycle with zero double-clicking issues, to a blistering 0.2ms actuation with no debounce delay, enjoy reliability and speed that outshines all others. Speed through content with a scroll wheel that spins freely or switch to the tactile mode for more precision and feedback. Enjoy ultra-responsive gaming with speeds 25% faster than other wireless tech. Upgrade to a true 8KHz polling rate with the Razer Mouse Dock Pro or HyperPolling Wireless Dongle (both sold separately).