Hearing aid can be heard when wearing one, why should I wear two?
If there is hearing loss in both ears, it is generally recommended to use a hearing aid with both ears. The benefits of wearing a hearing aid in both ears are: it can help us maintain the balance of hearing, have a sense of direction and three-dimensionality; avoid auditory deprivation, balance the speech resolution of both ears and effectively reduce environmental noise; improve signal-to-noise ratio and increase speech intelligibility degree.
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