High-performance design: The iconic shape that pushed the boundaries of the PC gaming mouse has evolved even further for wireless performance, a thin wall design and an internal endoskeleton structure to reduce weight and increase gaming control LIGHTSPEED wireless: The LIGHTSPEED ecosystem of USB wireless Logitech gaming mouse technologies are trusted by esports professionals to deliver pro-grade, ultra-fast and reliable gaming performance HERO 25K sensor: The HERO sensor delivers class-leading performance up to 25600 DPI, with pixel-precise performance and zero smoothing, filtering or acceleration 11 buttons and hyper-fast scroll wheel: Primary buttons feature metal-spring tensioning for fast, crisp actuation. Customise keybinds and macros for each game and app. Hyper-fast scroll wheel lets you speed through long documents and pages Tuneable weight & Colour systems: Customise the weight and balance of your gaming mouse with six adjustable weights for optimal pixel tracking, movement