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Product Specification
Specification:
- Max sound output: 118more or less4 dB
- Max sound gain: 32more or less5 dB
- Input noise: ≤30 dB
- Total harmonic wave distortion: ≤5%
- Power supply electric voltage: D.C.1.2V
- Current: ≤1.5mA
- Frequency range: 300-3800Hz
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