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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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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Our accessories include earplugs of different sizes. This small device allows you to wear comfortably and provide a clear sound. 1 Hearing Amplifier. Equivalent input noise: 32 dB. Maximum saturation sound pressure level (SSPL): 130dB±4dB.
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Which is simple and clear and very suitable for the seniors. These hearing aids are ideal for mild to moderate hearing loss and are an excellent solution for those seeking clear hearing and comfort.
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Description: .
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❤Shipping Warehouse: UK warehouse ❤Delivery method: Royal Mail (with tracking number) ❤Delivery time: within 2 to 4 working days ❤Reply within 24 hours .
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About this item .
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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're not using your hearing aid, turn it off. Hearing aid, non-Bluetooth version (cannot be used as headphones).
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