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Products Item | JH-338C |
Max Sound Output | 125-135dB |
Sound Gain: | >=50dB |
Total Harmonic Wave Distortion | ≤5% |
Frequency Range | 300-4000Hz |
Input Noise | <= 30dB |
Voltage | DC1.5V |
Current | <=2mA |
Battery type | Set-in battery/ AA battery |








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