Older hearing aids generally have more money
Prices range from a few hundred to tens of thousands, mainly to see your own demand for sound. Some people have a small range of activities, or his ears are not sensitive, so a general hearing aid is good for him, but some people are very social, or still working, so the general hearing aid can not meet his daily needs. A high-priced hearing aid has more functions than normal, and the sound sounds comfortable and natural.
The article comes from the Internet. If there is any infringement, please contact email@example.com to delete it.