My situation is a bit different but probably worth mentioning. I have hearing aids. They're able to bluetooth directly to my iPhone, which is nice, but I wanted to connect them directly to my MB Pro. But there's no application interface by the hearing aid manufacturer that will let me do this. Instead, they want to sell me a $500 device that will run from the laptop headphone port to their device, and then the aids bluetooth to that device.
As I was doing a ton of research on how to avoid that $500 expense, I ran across a mention of AirFoil. I already had a license for AudioHijack, so I trusted this manufacturer. (There are some other apps or software that claim to do some of what AirFoil does, but they were nowhere near as user friendly.) Indeed, AirFoil lets me link from my laptop directly to my iPhone, and from there, it bluetooth connects directly to my hearing aids. And for $470 less than I would have had to pay otherwise.
Developer: I shall be certain to mention your program to my audiologist. Trust me, they get a lot of business these days.