Corsair iCUE is a software application designed for managing and customizing Corsair gaming peripherals and components. It allows users to control RGB lighting, create macros, and adjust performance settings for devices like keyboards, mice, and headsets. The platform supports a wide range of Corsair products, enabling seamless integration and synchronization of lighting effects across multiple devices. Users can also monitor system performance and customize fan speeds for Corsair cooling solutions, enhancing both aesthetics and functionality in their gaming setups.