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What quality requirements must a hearing aid meet?

You carry a hearing aid with you for many hours a day. That is why a hearing aid must be able to take a beating. What does the hearing aid brand Oticon pay attention to when they make a hearing aid? OnlineHoortoestel.nl shows you in this video what Oticon looks at when they make a hearing aid. Click on this link.

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By Yvan Karman
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