APPLE INSIDER
The Keychron K3 is a particularly well-designed slimline mechanical keyboard, but its chief competition is other keyboards from the same manufacturer.

If you don’t like mechanical keyboards, then the Keychron K3 is not going to change your mind — but it might come close. It’s larger than the kind of chiclet keyboard you get from Apple, yet slimline and small compared to most other mechanical ones.
Source: APPLE INSIDER