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Beijing Heweiyongtai Sci & Tech Co., Ltd.
Beijing Heweiyongtai Sci & Tech Co., Ltd. Beijing Heweiyongtai Sci & Tech Co., Ltd. was established in the beginning of 2008. We are a hi-tech enterprise specializing in manufacturing and trading
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1KHz 4×1.5v Aa Battery 1mw Listen Through Wall Device

Beijing Heweiyongtai Sci & Tech Co., Ltd.
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Beijing Heweiyongtai Sci & Tech Co., Ltd.
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City: Beijing
Province/State: Beijing
Country/Region: China

1KHz 4×1.5v Aa Battery 1mw Listen Through Wall Device

1KHz 4×1.5v Aa Battery 1mw Listen Through Wall Device

Listen Through Wall Device Description This two power transducers listen through wall device is the most updated one in similar products nowadays, which can give listener the clearest audio informatio...

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