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Zhejiang Babyly Medical Equipment 13yr.
Main Products:Clinical thermometer,sphygmomanometer
Contacts:HUMEIZHUChat
Mobile:86-15805898182
WhatsApp:15157933338
E-mail: WeChat:15805898182
Address:17817 A, 1 Street, 3 F, 39 Gate, International Trade Mart (District 2).
Address:No. 768, Chengdian South Road, Yiwu City
声音辅听器的主要作用是把声音放大。 声音辅听器内部有三大件，麦克风-机芯-喇叭 它的工作原理就是将将声音转变为电信号经过放大处理再变为声音传入人耳。声-电-声
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