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SHENZHEN JIANZHIDA ELECTRONICE TECHNOLOGY CO.,LTD

All Products >> JZ-1088C

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super oreillette rechargeable hearing aid
super oreillette rechargeable hearing aid
Specification: hearing aid
Detail: Most greatly saturated acoustic pressure level: 129dB+4Db Man Dangsheng increases: ¡Ý38dB harmonic distortion: When f<1000Hz ¡Ü15%, when f>1000Hz ¡Ü10% frequency response: Should not narrowly in the 450Hz~3500Hz ...
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