Wow Soly, check this out! Look at the bottom article from huffingtonpost.
During his fitting, Laperle shared with Robinson that “Sonomax will also release a wireless Bluetooth version [of their custom fit earphones] (with a microphone for phone calls) and “eers” for hearing aids which is one of the real interests of the company: creating better hearing aids for the world to use.”
http://sculptedeers.com/2011/huffington-post-recaps-eer-filling-custom-fit-earphones-experience/
full article link;
http://www.huffingtonpost.com/billrobinson/ear-buds-that-really-fit_b_1069419.html