1) Batteries on the MX Keys and MX Anywhere 3 mouse are lowsy: requires recharging multiple times a week: and they are new. Hope the batteries are replacable otherwise its planned obsolescence: landfills of electronics.

2) I do use Function keys, but maybe only 5 of them. One can not create a mix of function and media keys: why not?

3) Surface paint on keyboard of MX Keys is already wearing through to the black underneath. LOW QUALITY!

Otherwise I love it!