Proximity sensors detect your hands, illuminating the keyboard the moment your fingers approach. The backlit keys automatically adjust to lighting conditions and turn off when you step away — saving power for those moments of inspiration. Backlighting intensity automatically adapts to lighting conditions, or can be set manually. MX Keys Mini stays powered up to 10 days on a full charge – or up to 5 months with backlighting turned off. Use the USB-C charging cable to top up the power. Easily pair MX Keys Mini to up to three devices at a time via Bluetooth Low Energy, no need to use up USB ports to connect. MX Keys Mini follows your Flow-enabled MX Anywhere 3 or MX Master 3 from one computer to another, meaning you can type on multiple devices in one fluid workflow. Transfer files, documents, and images across devices and macOS and Windows operating systems. Backlit keys automatically adjust to the environment and turn off when not needed – resulting in optimal battery consumption.