40dB Open Fit Hearing Aids Vigor OTC Hearing Aids For Severe Hearing Loss
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...-5000 500Hz(%) 2% 800Hz(%) 2% 1600Hz (%) 2% EQ Input Noise (dB) 24 Battery size Lithium battery rechargeable What are rechargeable hearing aids? In contrast to traditional hearing aids with disposable batteries,...
Retone shenzhen Technology Co., Ltd.
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