for export elderly wireless invisible sound auxiliary hearing device

EXW Price: Min. order:

CN¥ 19.0
≥200/pair

200 pair

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Zhejiang Babyly Medical Equipment 15yr.

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Description

The main function of a hearing aid is to amplify sound.

The hearing aid has three key components: the microphone, the engine, and the speaker.

Its working principle is to convert sound into electrical signals, amplify them, and then convert them back into sound to enter the user's ears.

Update time：20240418110656

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