Enjoy increased precision and efficiency with this black Logitech MX Keys illuminated wireless keyboard. The PerfectStroke keys are precision designed to increase key stability and responsiveness while reducing excess noise. This Logitech MX Keys illuminated wireless keyboard has backlighting that activates when your hands move near the keys and automatically adjusts to changing light conditions. Perfect stroke keys Spherically-dished keys match the shape of your fingertips, offering satisfying feedback with every tap. Smart illumination Features hand proximity detection and automatic backlighting. Wireless technology Enables reliable connection via the included USB wireless receiver or Bluetooth Low Energy technology. Comfort and stability Type with confidence on a keyboard crafted for comfort, stability, and precision. Multidevice and multi-OS compatibility Compatible with Windows, macOS, Linux, iOS, and Android systems - pair it with up to three devices. Flow cross-computer control Type on multiple computers in one fluid workflow. USB-C rechargeable Full charge lasts up to 10 days - or up to 5 months with backlighting off.