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Knops are acoustic adjustable hearing solutions that reduce noise in four steps. No electronics, comfortable to use and easy to carry.
Knops are acoustic adjustable hearing solutions that reduce noise in four steps. No electronics, comfortable to use and easy to carry.
Knops are acoustic adjustable hearing solutions that reduce noise in four steps. No electronics, comfortable to use and easy to carry.
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2,948 backers pledged €258,707 to help bring this project to life.
Successfully raised €258,707 with 2,948 backers
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