Oh, and as to the issue of rechargeable vs. battery operated, the vast majority of folks are going with rechargeable models. You do trade off a slightly larger case to hold the rechargeable battery vs. the models with batteries that need replacement. For an adult male, I can't believe that would be much of an issue. Mike Fremer wrote and article some months back about trying hearing aids and how they impacted his music listening.
Two Months With Widex’s Moment 440 mRIC R D Hearing Aids | Analog Planet
Two Months With Widex’s Moment 440 mRIC R D Hearing Aids | Analog Planet