Fluid and quiet mechanical typing: MX Mechanical keyboard features Linear switches that deliver next-level feel and flow with less noise - Clicky and Tactile switches are also available- Low-profile keys, more comfort: A keyboard layout designed for effortless precision, with a full-size form factor and low-profile mechanical switches for better ergonomics- Smart illumination: Backlit keys light up the moment your hands approach the cordless keyboard and automatically adjust to suit changing lighting conditions- Faster workflow, more customisation: Customise Fn keys, assign backlighting effects, enable Flow cross-computer, multi-device control, and more in the improved Logi Options+ (1)- Multi-device, multi-OS: Pair MX Mechanical Bluetooth wireless keyboard with up to 3 devices on nearly any operating system via Bluetooth Low Energy or included Logi Bolt receiver(2)- USB-C quick charging: MX Mechanical keyboard stays powered up to 15 days on a full charge or up to 10 months with the backlighting turned off (3)- Fluid and quiet mechanical typing: MX Mechanical keyboard features Linear switches that deliver next-level feel and flow with less noise - Clicky and Tactile switches are also available- Low-profile keys, more comfort: A keyboard layout designed for effortless precision, with a full-size form factor and low-profile mechanical switches for better ergonomics- Smart illumination: Backlit keys light up the moment your hands approach the cordless keyboard and automatically adjust to suit changing lighting conditions- Faster workflow, more customisation: Customise Fn keys, assign backlighting effects, enable Flow cross-computer, multi-device control, and more in the improved Logi Options+ (1)