Hearing aidT“When is the file used?
Old-fashioned hearing aids, there are basically no hearing aids.TThe file is now, the hearing aid performance is very complete, you can understand more, if you can’t listen well, you can change the machine to let yourself listen better.
If the hearing aid is placedTIn the file, the patient can’t hear the amplified sound of the hearing aid, because the inductor is connected to the inductor, and the microphone is separated from the hearing aid circuit, so the hearing aid is first turned on.TFile, slightly open the volume, align the handsetTThe file can answer the call better.
Link：When is the "T" file of the hearing aid used?
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