B07MMWTQDP Bonein Hearing Headphones to The Elderly, Hearing Amplifier Rechargeable for Adults and Seniors, Personal Hearing aids for Hard of Hearing(not for everbody)

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Before purchase,make sure that the hearing aid headphones is main suitable for the elderly. Before purchase, through A+ page, ,please understand the product details and confirm that the product is what you need.
The hearing amplifier is for MILD to MODERATE hearing assistance needs.By bone conduction technology, the hearing aid headset is not into the ear, so does not cause a lot of background noise.
7 Different Listening Programs to Accommodate Your Hearing Needs in a Variety of Environments.
The hearing aid headphones are more effective for the old people with aging eardrum, but less effective for aging ear nerve; Before purchase, please confirm the user?? situation by a simple method:let the user gently knock on the upper and lower incisors to confirm whether he can hear the clicking sound of the teeth. If he hears it, it is effective; if not, it is not effective.
30 day money back guarantee, Product Specialists Available for Support by Email Mon-Fri 9:00am – 5:30pm EST – 2 Year Warranty Provided.