MDHearingAid One Size Fits Most

“One-size-its-most hearing aid means the way the MDHearingAid AIR was designed is to accommodate most people’s ear shape anatomy and ear canal anatomy.

It comes with six interchangeable domes of various sizes and styles that can fit most adults, as well as the product itself is very slim and discreet and will fit comfortably behind your ear even if you wear glasses.”