A hearing aid is simply a small electronic computer that you wear in or behind your ear. A hearing aid can help people hear more in both quiet and noisy situations. A hearing aid has three basic parts; a microphone, amplifier and speaker. The hearing aid receives sound through a microphone, which converts the sound waves into electronic signals and sends them to an amplifier. The amplifier increases the power of the signals and then sends them to the ear through a speaker.

NEW DURACELL HEARING AID BATTERIES 48 COUNT SIZE 10

3 Bids

US $3.58

26m

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1 Bid

US $299.00

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