I bought one of those Bone Fones! Why,I don’t know - I used to buy cassette tapes and a bread maker and all sorts of X10 crap from JS&A. Was a sucker for those long text ads I guess. It worked and was much more comfortable than headphones and much safer for wearing while outdoors because it didn’t ruin your situational awareness.
In Bidens case, they could just use an anal suppository version. Given where his brain is and all...