OK Google hotword detection has been broken on Wear OS for months
(Android Central)

It`s easy to access the Assistant anyway, but this is frustrating in its own way. What you need to know Google`s `OK Google` hotword detection has been broken for months on Wear OS. Google has been made aware of the issue but has yet to supply any updates or public acknowledgment of the bug. Assistant still works if manually invoked on Wear OS devices. While Google`s Assistant is still one of the best digital assistants you`ll find, the company has let the experience on Wear OS smartwatches fall to pieces, in the eyes of some consumers at least. The `OK Google` hotword, used on Google products to invoke the Assistant handsfree has been broken on Wear OS devices for months on end. Many complainants pinpoint the issues as starting with post-sale updates, and subsequent updates have yet to fix the issue. Some complaints go as far back as October, prior to Google`s last big Wear OS update. You can still use the Assistant by manualy navigating to it, but hands-free activation is on...