| 摘要 |
A hearing aid (100) fits in an ear of a user and amplifies a sound and outputs the amplified sound. Specifically, the hearing aid includes: a microphone (110) as a pick-up unit which picks up the sound; a wireless communicating unit (130) which receives, from an external apparatus connected via wireless, an instruction for outputting a searching sound, the instruction for outputting a searching sound which is used for outputting a searching sound; an amplifier (140) which amplifies the outputted sound; an earphone (150) as an outputting unit which outputs the sound amplified by the amplifier (140); and an operation switching unit (120) which switches between a hearing mode and a searched mode, the hearing mode causing the amplifier (140) to amplify a hearing sound which is a sound picked up by the microphone (110) with a use of a first amplification factor, and the searched mode causing the amplifier (140) to amplify the searching sound, in response to the reception of the instruction for outputting a searching sound, with a use of a second amplification factor greater than the first amplification factor.
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