Here are a few contenders.
Perhaps by combining this technology with that MIT gadget that lets youspeak silentlyit could be a practical solution.
An AppleWatch Ultrais basically a wrist-worn smartphone sans camera.

And no, it’s not .

Humane

Humane
Tyler / How-To Geek
Tyler Hayes / How-To Geek

The Apple Watch Ultra is the most rugged in Apple’s lineup of smartwatches, featuring a large display and an Action button to launch apps and activities quickly.