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: 360 degrees rotating connecting tube and ergonomic BTE design fit your ears. TPE silicone soft ear tubes help you enjoy hearing aids. Hearing aids can effectively reduce noise and amplify sound.
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About this item:-The charging case fully charges in just 60 minutes. With the charging case, you can charge your hearing aids anytime, anywhere.-It has five volume levels (20%, 40%, 60%, 80%, 100%). Click the left or right side to adjust the volume. The volume will cycle from low to high. When the volume reaches the maximum, you will hear a "beep".-It has three different listening modes. Press and hold for 3 seconds to turn on normal mode (one beep), noise reduction mode (two beeps), and outdoor mode (three beeps).-Equipped with a digital chip that can excellently capture and identify sounds, it also has intelligent noise reduction function to prevent howling and provide clear and pure audio.-Its design is similar to that of ordinary Bluetooth earp.
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When you put on a hearing aid, you will be able to hear conversations, music and TV shows. Hearing aids are small and lightweight, making you comfortable. - [Two Independent Listening Modes] H: high-frequency mode, suitable for noisy situations.
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Insert the hearing aid tightly into the ear canal. Natural Sound: This hearing aid is suitable for the people with mild to moderate hearing loss. Equivalent Input Noise (dB): 28dB. USB data cable x1.
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This Powertone F-138 In-Ear Hearing Aid is a quality hearing aid which can help you hear the sound clearly and loudly. - Silicone ear pads in 3 different sizes, suitable for any form of ear. - If you hear a howling,check the ear (silicagel) is appropriate and whether the size of plug is tight, the appropriate choice of earplugs and plugged, make sure no air leakage.
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It is caused by amplified sound from the hearing aid getting back to the micropphone and being re-amplified. The cause of howling/noise: To make a small size hearing aid, the internal amplifier and the microphone are close to each other.
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Features: -Built-in rechargeable battery frees you from the constraints of traditional cables and meets the needs of mobile scenarios. -Equipped with professional noise reduction technology, it can effectively filter out noise or interference signals in the environment, amplify the sound more clearly, and enhance the user experience. -It adopts a simple invisible design, is compact and easy to carry without taking up too much space. -Suitable for daily use, outdoor activities, specific work scenarios, etc. Specifications: Charging case battery: 400mAh Earphone battery: 35mAh Color: skin-colored Material: plastic .
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