Advanced wireless illuminated keyboard crafted for efficiency, stability and precision. Perfect stroke keys are shaped for your fingertips and increase key stability reducing noise while optimizing responsiveness. Tactile reference for hand positioning makes it easy to stay oriented and in your flow. Backlit keys light up the moment your hands approach and automatically adjust to suit changing light conditions. Multi-device lets you pair up to 3 devices. Switch between devices with the tap of a button. USB or Bluetooth® technology. 1-year limited warranty. English.