Features of the MX Mechanical keyboard include silent and fluid mechanical typing. Hand-held Silent switches that produce a higher level of flow and feel while producing less noise - There are also linear and clicky switches available. Reduced key profile, increased comfort: A full-size keyboard layout with low-profile mechanical switches for improved ergonomics that allows for effortless precision Intelligent lighting: As soon as your hands touch the cordless keyboard, the backlit keys illuminate and automatically adapt to the changing lighting. Improved efficiency and increased personalization: With the enhanced Logi Options+, you can personalize Fn keys, add backlighting effects, activate Flow cross-computer, multi-device control, and more. (1) Multiple OSs and devices: Use the included Logi Bolt receiver (2) or Bluetooth Low Energy to pair the MX Mechanical Bluetooth wireless keyboard with up to three devices running almost any operating system.