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Wholesale Convenient Hearing Best Sound Voice Amplifier
| Adjust volume to the minimum before wearing Choose an earplug of slightly bigger size to avoid whistler Increase volume gradually to avoid sudden increase in sound Max Saturated Sound Pressure: 125dB+4dB Sound gain: ≥50dB Harmonic Wave Distortion: ≤50% Frequency response Range: 300Hz~4000Hz Input Noise: ≤ 30 dB Power Voltage : 1.5 V Current: ≤4mA Battery Type: AG13 button cell battery (included) Specifications: Original box: Yes Product Size: Approx. 92*70*27mm Net weight: 100g Package weight: 109g Color: Beige Packing content: 1 x Ear sound amplifier 3 x Earplug of different size 2 x AG13 batteries 1 x Instruction manual |
