Anybody use those "Tandem Talk" headsets?

We're researching tandems because the person I want to ride with and I just don't have matching paces.

I'd get to be captain, cuz I'm bigger (and bossier!) and can hear. Stoker doesn't hear well, and sign language just ain't gonna happen on the bike. (and I only know a few "universal" signs, anyway... so far. )

Do the headsets help?