Input noise: ≤40dB. Sound output: 110±5dB. Sound gain: ≥30dB. Frequency range: 300-400Hz. Total Harmonic Wave Distortion: ≤10%.
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Equivalent Input Noise (dB):25dB. 1 x Charging Case. Current: <1.5mA. 1 x English instruction manual. 1 x USB charging cable.
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With this feature, you can worry less about damaging your hearing aids and enjoy using them wherever you go. Our hearing aides compensates for hearing loss while also protecting remaining hearing. Experience the freedom of clearer and smoother auditory input with our state-of-the-art DSP digital chip hearing aids.
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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. - Specially designed for hearing-impaired people, more suitable for the ear canal.
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How to Care for Hearing Aids?. Choose suitable earplugs to keep the ear canal sealed. 1 x Hearing aid cleaning brush. Why does the hearing aid have loud screeching sound ?. How to solve?. Cleaning: Wipe with a dry, soft cloth.
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LED Display Rechargeable Intelligent Hearing Aid Low Noise Deaf Ear Amplifier Hearing Device Specifications: -100% brand new, high quality -Name: Hearing amplifiers with charging case -Material: ABS+silicone -Color:white+skin -Power mode: Rechargeable -Max sound out put:111+/- 5dB -Sound gain:>= 30dB+/- 5dB -Total harmonic wave distortion:<= 5% -Frequency range: F1≤200Hz, F2≥5000Hz -Input Noise:<=28dB -Voltage:d.c.1.5V -Current:<=1.2mA -Full charing in 2 3 hours, working more than 30 hours -The 300mAh recharging box for 3 times recharging to extend hearing amplifiers with 90 hours working. -The recharging box with power capacity LED display .
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1Pair Invisible Hearing Aid (Left Ear + Right Ear). 1Pc Invisible Hearing Aid Left Ear. 1Pc Invisible Hearing Aid Right Ear. Microphone noise reduction. Maximum Saturated Sound Pressure Level: ≤ 115 ± 3 dB.
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