Operating Times of Hearing Aid Batteries
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- Опубликовано: 16 июл 2019
- Sometimes it seems like hearing aid batteries are always empty at the wrong time - whether if you are sitting in a coffee shop, while listening to a concert or during an exciting movie. Just telling in advance how long a battery will last would be helpful - but unfortunately that is hardly possible. The reasons why and the most important influencing factors are topic of our new video!
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