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Description: Hearing aids use these parts to help pick up and amplify sound from your environment and channel it into your ear: microphone (detects the sound), amplifier (makes the sound stronger), speaker (sends the sound into your ear so that you can hear it), battery (provides power to the electronic parts). Cute little woodpecker. For sale.
Status: Just for fun
Viewed: 1155
Tags: ear • volume • amplifier • sound
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