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Yiwu Trump Medical Products Co.,Ltd 2yr.
Main Products:医疗用品
Contacts:朱家财Chat
Mobile:86-18969394979
WhatsApp:008618969394979
WeChat:18969394979
Address:17320A, 9 Street, 3 F, 30 Gate, International Trade Mart (District 2).
Address:www.trumpmedi.en.alibaba.com
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Max Sound Output: 129dB ± 4dB
Max Sound Gain: 50dB ± 5dB
Harmonic Wave Distortion: ≤5%
Frequency Range: 450~3500 Hz
Input Noise: ≤30 dB
Battery: AG13
Working Voltage dc1.5V
Working Current: ≤4mA
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