The #1 Best-Selling Gaming Peripherals Manufacturer in the US: Source - The NPD Group, Inc., U.S. Retail Tracking Service, Keyboards, Mice, PC Headset, PC Microphone, Gaming Designed, Based on dollar sales, Jan. 2017- Mar. 2020 combined. 25% Faster Than Competing Wireless Mice: The all-new, Razer HyperSpeed wireless technology brings together extreme low-latency and interference reduction for true wireless freedom Dual Mode Connectivity: Supports Bluetooth for efficient power consumption and HyperSpeed Wireless for lag-free gaming 6 Programmable Buttons: Allows for reconfiguration and assignment of complex macro functions through Razer Synapse 3 Up to 450 Hr Battery Life: Lasts 450 hours on Bluetooth, 285 hours on HyperSpeed Wireless Durable Mechanical Switches: Supports up to 50 million clicks, backed by a 2 year warranty