PERFECT STROKE KEYS: Perfect Stroke keys are shaped for your fingertips and increased key stability reduces noise while optimizing responsiveness COMFORTABLE DESIGN: Tactile reference for hand positioning makes it easy to stay oriented and in your flow BACKLIT KEYS: The backlit keys light up the moment your hands approach, and automatically adjust to suit changing lighting conditions FLOW CROSS-COMPUTER TYPING: Supports flow cross-computer typing across multiple screens. Pair up to 3 devices via Bluetooth Low Energy or Unifying USB receiver