Razer HyperSpeed Wireless (2.4 GHz) and Bluetooth for ultra low-latency performance or long battery life: Unleash seamless, low-latency performance that's 25 Percent faster than other wireless tech or switch to Bluetooth for longer hours of gaming. Outfitted with multi-device support for a streamlined setup. Powered by Razer HyperScroll Technology for a free-spin or tactile scroll wheel: Perform repeated commands rapidly or blaze through content in free-spin mode. Activate tactile mode for enhanced precision and satisfying feedback-Ideal for cycling through weapons or skills. Up to 250 Hours of Battery Life (2.4GHz) for long lasting performance: With up to 400* hours on Bluetooth and 250* hours of seamless low-latency gaming on Razer HyperSpeed Wireless, last longer in the heat of battle with this mouse before having to replace its battery. *May vary depending on usage conditions Razer Focus Pro 30K Optical Sensor for best-in-class precision: Razer’s brand-Enhanced sensor provides flawless tracking performance on a wider variety of surfaces including glass-supported by intelligent functions for enhanced aim and control.