Razer DeathAdder v2 Pro Wireless Gaming Mouse: 20K DPI Optical Sensor - 3X Faster Than Mechanical Optical Switch - Chroma RGB Lighting - 8 Programmable Buttons - Classic Black (Renewed),The #1 Best-Selling Gaming Peripherals Manufacturer in the US: Source - The NPD Group, Inc., U.S. Retail Tracking Service, Gaming Designed: Keyboards, Mice, PC Headsets, and PC Microphones, Based on dollar sales, Jan. 2017- June 2020 combined,Focus+ 20K DPI Optical Sensor: Auto-calibrates across mouse mat and reduces cursor drift from lift-off and landing for industry-leading precision,25% Faster Than Competing Wireless Mice: Razer HyperSpeed wireless technology brings together extreme low-latency and interference reduction for true wireless freedom,Immersive, Customizable Chroma RGB Lighting: Supports 16.8 million colors w/ included preset profiles; syncs with gameplay and Razer Chroma-enabled peripherals and Philips Hue products,70 Hours of Intense Gaming: With the benefit of dual connectivity, enjoy up to 120 hours of battery life in Bluetooth mode, or up to 70 hours of ultra-fast performance when switching to HyperSpeed Wireless,