Choose slightly larger earplugs to avoid whistling. Insert the hearing aid into the ear canal and adjust its position in the ear canal until the soft ear tip fully unfolds and fills the ear canal;. If you hear a whistle, check whether the ear (silicone) is suitable, whether the size of the plug is tight.
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Choose:Upgraded version(1 pair) About This Item: -Specially designed for hearing-impaired people, more suitable for the ear canal. Even when used for a long time, there is no pain. -Your hearing aids can be charged using the detachable charging case (you will need to charge the charging case first). -Maximum gain is 117dB, suitable for moderate to severe hearing loss (see hearing loss table). -If the earmuffs are not fully inserted into the ear canal, or if the air leaks out of the earmuffs, it will cause an annoying whistling sound. We offer 3 different sizes of ear tips to reduce whistling and noise. -Super-mini size and light weight for easy carrying. .
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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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Participate in pleasant conversations with family, friends or co-workers with our hearing aids for adults. Ideal for mild to moderate hearing, our hearing devices for elderly people assist in watching TV, on the phone, in normal discourse and more.
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Description【Charging Function】We provide a USB charger to save you the trouble of buying batteries. The device can be easily turned on/off with the power switch. The volume can be easily adjusted by just touching the button, no tools required. And he can be charged anywhere there is a USB socket, such as company computers, home sockets, etc.【Lasting All Day】: It's time to upgrade your products and forget about always running out or replacing batteries. Now, energy-saving rechargeable batteries can provide you with longer battery life and charging intervals. Without having to change batteries all the time, you can freely do what you like【Charging Box】The machine can be fully charged in 2-3 hours, and can reach an ultra-long standby time of 35-.
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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: ≤30 dB. Specifications: Maximum Sound Output: ≥120 dB.
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Features:-USB Rechargeable, no need to replace the battery, environmental-friendly, with a long standby time.-Built-in intelligent chip, clear and noise-canceling, no worry about the noisy environment.-Strong shell, anti falling and durable, it still can be used normally even if it fell from two meters high.-360° adjustable, suitable for left or right ear to wear.-Ergonomic design, soft and flexible, can help you a lot in daily life.Specification:Maximum sound output: 118+/- 4dBSound gain: >= 32dB+/- 2dBTotal harmonic distortion: <= 7%Frequency: 300-3800MHzInput noise: <=32dBVoltage: DC 3.7VCurrent: <=2mACharging time: 3 hoursNormal working time: 45 hoursColour: silver Package Included:1 x Hearing aid1 x USB charging cable5&nbs.
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