The MX Keys from Logitech is an advanced wireless illuminated keyboard crafted for efficiency stability and precision. It comes packed with features like Perfect Stroke keys shaped for your fingertips smart illumination and a remarkably solid build. This keyboard also supports flow cross-computer typing across multiple screens. Perfect Stroke Keys Perfect Stroke keys are shaped for your fingertips and increased key stability reduces noise while optimizing responsiveness. Convenient Design Tactile reference for hand positioning makes it easy to stay oriented and in your flow. The backlit keys light up the moment your hands approach and automatically adjust to suit changing lighting conditions. Flow Cross-Computer Typing The MX Keys lets you type on multiple devices in one fluid workflow. It can be easily connected to MX Master 3 or other flow-enabled mouse to work from one computer to another. You can switch between devices just with the tap of a button. You can pair up to 3 devices via Bluetooth Low Energy or Unifying USB receiver. USB Rechargeable Charge the keyboard using the USB type-C port and enjoy up to 10 days of operation at full charge. It can remain charged for up to 5 months with backlighting off.