Disagree, my role requires attendance and participation in business calls constantly, and it’s not a very unique role at a company. Being able to do so in public places or traveling would be useful often, depending on how cumbersome this is to wear.

Additionally I could see this being very useful with sales folks, essentially any role with talking as a main component.

Now in its initial form it may be unwieldy but future iterations, if it can be slimmed down and/or add additional capabilities there is for sure use cases. Even with the general public being able to call family/friends on your commute home would be useful I would think.