Why is there a whistling during the wearing process?. We give 3 different sizes of earplugs to reduce howling and noise. Suitable for mild to moderate severe hearing loss (Reference hearing loss map).
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Comfortable: Made of high-quality material, durable and sturdy, comfortable to wear. Ergonomic design, soft and flexible, these hearing aids help you a lot in daily life. Input Noise: <=32dB. Maximum Sound Output: 118+/- 4dB.
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About this item .
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[Comfortable] 360 degrees rotating connecting tube and ergonomic BTE design fit your ears. TPE silicone soft ear tubes help you enjoy hearing aids. The upgraded version of the invisible ear line design can be easily worn.
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Features:-The built-in rechargeable battery can be used for up to 30 hours on a full charge, and it only takes 2-3 hours to charge. It also comes with a charging case that can be charged 4-5 times, and it only takes 3-4 hours to fully charge the charging case.-Adopting intelligent noise reduction system, it can detect and sense noise waves, change the gain of the channel where the noise is located, and clearly identify the speed of normal sound waves.-The compact size makes it easy to carry and use anywhere.-It is packaged in an exquisite gift box, which is an ideal choice whether for personal use or as a gift to relatives and friends.Specifications:Battery capacity: 300mAhEquivalent input noise: ≤32dBCurrent: ≤2mARated voltage: 3.7vWorking time: ≧30.
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The cause of howling/noise: The internal amplifier and the microphone are close to each other of the hearing aid, and the sound is continuously received and extended, so it has a certain possibility of producing howling after power-on.
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Comfortable: Made of high-quality material, durable and sturdy, comfortable to wear. Ergonomic design, soft and flexible, these hearing aids help you a lot in daily life. 1 x Hearing aid. Input Noise: ≤30 dB.
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