From Michael Potuck at 9to5Mac:
The new Keychron Ultra-Slim keyboards come in ivory white or space gray with a 100% layout with numpad or a 75% compact model without numpad.
One thing you lose compared to Apple’s Magic Keyboard is the option for Touch ID, but you get a number of benefits Apple doesn’t offer like 2.4GHz connectivity, much longer battery life, and USB-C at less than 50% of the cost.
I’ve long had a Keychron mechanical keyboard – might need to try one of these compact models as for a portable setup…