Although there are only a handful of fifth-generation military aircraft in operation today, the world's largest powers are already looking to develop even more potent, sixth-gen fighters.

This was true of the Bip 5, even though we rated it 4/5 stars in our full review. Compromises, after all, are still typical at this sub-$100 price range. Yet, with the Amazfit Bip 6, some of our ...