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Hearing Aid For The Elderly USB Rechargeable Behind-the-ear Hearing Aid, Sound Amplifier And Collector

Hearing Aid For The Elderly USB Rechargeable Behind-the-ear Hearing Aid, Sound Amplifier And Collector

$11.77

カラー

重量 55 g

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商品詳細

Basic Components of a Hearing Aid
  • Microphone: Responsible for collecting sounds from the surrounding environment and converting them into electrical signals.
  • Amplifier: One of the core components of a hearing aid, it amplifies the electrical signals converted by the microphone to meet the hearing-impaired person's needs for sound intensity.
  • Speaker (Receiver): Converts the amplified electrical signals back into sound signals and transmits them into the hearing-impaired person's ear.
  • Battery or Charging Module: Provides power support for the hearing aid. Traditional hearing aids mostly use disposable batteries, while many new models now adopt a rechargeable design for more convenient use.
  • Volume Control and Program Buttons: Allow users to adjust the volume according to different environments. Some hearing aids can also switch between different listening programs to adapt to different scenarios such as quiet and noisy environments.

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