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Clear ND Necklace Type 2 Channel Digital Hearing Aid
Model Number: RWW-JZD012
Brand Name: OEM
Key Specifications/Special Features:
Max sound output: 110 ±5dBSound gain: ≥35dBTotal harmonic wave distortion: ≤5%Frequency range: 300-4000HzInput noise: ≤30dBVoltage: DC 1.5VOperating current: ≤6mABat... |
2017-07-08 |
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