Black Grey Digital Hearing Aids OEM Sound Amplifier For Hearing Impaired
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... a hearing impairment. Most hearing aids share several similar electronic components, including a microphone that picks up sound; amplifier circuitry that makes the sound louder; a miniature loudspeaker (receiver) that delivers the amplified sound into the...
Retone shenzhen Technology Co., Ltd.
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113DB Hearing Impaired Amplifier Automatic OTC Sound Amplifier For Hearing Impaired
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Shenzhen Sounds Good Technologies Co.,Ltd
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Waterproof Digital Hearing Amplifier Price / OEM Supported Ear Hearing Aid
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Waterproof Digital Hearing Amplifier Price / OEM Supported Ear Hearing Aid Product Description Max Sound Output: ≤120dB Sound Gain: 35dB±5 Total Harmonic Wave Distortion:≤4% Frequency Range:370-5500Hz Input Noise: ≤30dB Voltage: D.C.1.5V ......
SUCE (HONG KONG) IMPORT AND EXPORT LIMITED
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