First determine how many years your hearing aid has been purchased, and it is not worth changing the case; because the natural life of the hearing aid is 5-8 years, if your hearing aid has been used for 4-5 years, the performance of the hearing aid parts is estimated to be not very good. Well, in addition, the rapid development of hearing aid technology, the platform will be updated, it is recommended to replace the new hearing aid.
Second, make sure that your hearing aid technology is relatively new, and if you have a short wearing life, you can contact the manufacturer to replace the shell through the purchasing agency.
Secondly, it is whether this hearing aid can satisfy the other earHearing loss, Whether the parameter configuration can meet the needs of life needs to be tested and evaluated. If the hearing aid can meet the needs of the other ear, consider rearranging and combining the internal accessories of the hearing aid and replacing the shell.
