Nice, tight, good weight, lighted keyboard. Keyboard layout need some improvement due that I sometimes hits wrong key strokes that I don't normally have that problem with other keyboards I used in my career
M, I, and Enter keys have been sticking since day 6 of using the product, have had to stop using and continue with my former keyboard because the keys weren’t functional in my MX Keys.
The connectivity is super fast and reliable with Mac. The membrane key worked better than expected, after moving from a mechanical keyboard. It is silent. Good options for the function button, although, I'd like a few more customization.
Lastly, I love the backlight feature. I turned off the auto-light. During the day I have the light all turned off, and at night I just tune it up to the first level and that's enough. It's been two weeks since last charge and battery is at 50%.
Downside is that you cannot charge/connect and use the keyboard. Not a biggy for my use case.
It is heavy due to extensive metal in the frame, but keys have the best feel of any keyboard I have used. Excellent battery life and reliable Bluetooth communications with my computers. I like it a lot