I've been trying to manifest a product like this for a year or two, ever since I really learned what silent speech was (related, but a different speech inference method - the other month I read a paper about using cracks in a graphene nanomesh to deduce words[0]) - this sounds awesome! However, like another commenter[1] said, the glasses are where you lose people IMO. Consider a chic necklace or choker? :-)

[0]: https://doi.org/10.1038/s41467-025-68228-9

[1]: https://news.ycombinator.com/item?id=50340401