Bonein Hearing aid Headphones to Elderly, Rechargeable Hearing headsets for Adults and Seniors, Sound Amplifier for Hard of Hearing(with 7 Frequency Bands Function), Brought to you By BONEIN.
The hearing aids headsets for MILD to MODERATE hearing assistance needs.
Notice:the hearing aid headphones is not suitable for every one.Before purchase, through A+ page or customer’s review,please understand the product details and confirm that the product is what you need.
Available in 7 different frequency choices, the sound amplifier is suitable for hearing loss people in different ranges.The hearing aid headphones are more effective for the old people with aging eardrum, but less effective for aging ear nerve;
A simple way :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, the hearing amplifier is effective; if not, it is not effective.
The squeal is caused by the sound pick-up getting too close to the trumpet.Just let them far away,the squeal will disappear, It’s normal.
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