Beige Color 1.5V Listening Ears Hearing Aid Volume Adjustment 4 Levels 8g
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CQP 4 Levels Of Volume Adjustment Wholesale Aound Amplifier Rechargeable Hearing Aids for the Elderly Features Fast charging technology Double noise reduction 1-button switch on/off specially designed for the elderly 4 levels of volume adjustable wearing......
chongqing pharmaceutical (hunan) pharmaceutical Co., Ltd
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Retone Digital Rechargeable Open Fit Hearing Aids 4 Channels WDRC Amplifier
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Retone Digital Rechargeable Open-Fit Hearing Aids 4 Channels WDRC Amplifier Specification Bro 402 RB-T Design Rechargeable Digital Open-fit Volume control Rocker-type Peak OSPL90(dB SPL) 120 OSPL90-HFA(dB SPL) 110 Peak Gain(dB) 50 HFA/FOG(dB) 45 Reference ......
Retone shenzhen Technology Co., Ltd.
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