Hello, in todays world technological innovations plays a vital role whether its a branded clothing or a branded machine and many more. A expensive material is that which can fulfill the needs of customer and robust, quality assured etc. Coming to your point, there are hearing aids available from lower end to higher end according to their performances, ok. Your socioeconomic status, your kind of hearing loss, mental state etc. Should be considered during recommendation of a aid. And every 5-8 years hearing aids needs to be replaced.
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