Aside from being quite loud, loud enough to be heard by those around you, there are also LEDs. So, you'll also be visible from afar. So, it's unlikely that they could be useful in this design. And I think the law would prohibit making them differently. I studied for my college exams on my own. But to get into college, I hire a personal statement writer. Found https://essays.edubirdie.com/personal-statement-writing for this. Because I myself am not very eloquent, and they made a great text for me. This was important for my college.

I'm not exactly sure what it would look like to cheat using such glasses. They don't have a projector glass display, other people around the user can hear the speakers, and they have pretty obvious cameras on them. Also, most of them are sunglasses, which would probably make professors suspicious.