It is caused by amplified sound from the hearing aid getting back to the micropphone and being re-amplified. Ways to avoid Whistling /noise Once the hearing aid is properly seated in your ear,the whistling will generally stop.
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Shipping Conditions: Attention: The goods will be shipped from UK Delivery time: 2 to 4 working days - Support 60 days return policy - Reply within 24 hours Features: .
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Package Included: 2x Sound amplifiers 1x Charging box 1x Charging cable 1x Instruction manual 2x Packs of accessories .
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Mini size, bluetooth headset appearance, different from the old style hearing aids, will not let people notice the difference after wearing;. The latest chip, in mini Bluetooth headset size to achieve the hearing aid function, to help hearing impaired people to hear normally;.
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Clear Digital Sound Amplification.
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Features: -The volume can be easily adjusted with just a screw turn -Built-in energy-saving rechargeable battery prolongs battery life and extends the time between charges, supporting all-day use. -The charging box can be fully charged in 1.5hours, and after being fully charged, it can achieve an ultra-long standby time of 20 hours. -Each weighs only 3 grams, which is convenient and comfortable to wear. It comes with earplugs of different sizes to fit everyone's ears perfectly. -It adopts a compact and lightweight design, which satisfies your convenience of carrying and invisible wearing, and can be used anytime and anywhere. Specification: .
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Pair Bluetooth Hearing Aids for Seniors Digital Hearing Sound Amplifier Headset. Digital Hearing Aids Invisible Noise Cancelling 32 Channels Sound Amplifier Gift. Digital Hearing Aids Invisible Noise Cancelling 32 / 64 Channels Sound Amplifier.
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Features:-With 16 channels of sound processing, this can help you remove noise and restore lost sound.-It will fit most people.-The hearing aids get 17 hours of use, and the charging case gives you an additional 70 hours of use, for a total of 87 hours. Every time you place your hearing aids in the charging case, they charge automatically.-With reference to the design of Bluetooth headsets, it is no different from ordinary Bluetooth headsets in appearance, and you can use it anywhere with confidence.-With hearing aids, you can continue to enjoy watching TV, talking with others, listening to music, etc.How to use:①Choose the hearing aid earplug that fits your ear tightly. ②Press and hold the hearing aid touch button to turn it on. ③Single clic.
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