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Hot sell cheap price Ear hearing Aids Loop Amplifier for elderly
Max Sound Output: 130 ±5dB
Sound Gain: ≥50 dB
Total Harmonic Wave Distortion: ≤3%
Frequency Range: 100-6000Hz
Input Noise: ≤30dB
Voltage: D.C. 1.5V
Current: ≤5mA
Battery Size: AG13