for export household wt household earplug elderly deaf_浙江百灵电子

for export household wt household earplug elderly deaf

for export household wt household earplug elderly deaf

专供出口家用 WT 家用耳塞式老人耳聋

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家用耳塞式助听器老人助听器耳聋助听器

主要技术参数：

最大饱和声压级：130±5dB

满档声增益：60±5dB

总谐波失真：≤10%

等效输入噪声级：≤32dB

电压：1.5V

电流：≤8.5mA

Update time：20240328162523