Balson Pocket Model Hearing Aid Amplifier Machine For Old Age (Single Ear, Black)

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Balson Pocket Model Hearing Aid Amplifier Machine For Old Age (Single Ear, Black) Product Name: Balson Pocket Model Hearing Aid Amplifier Machine For Old Age (Single Ear, Black) Material: Abs Plastic Net Quantity (N): 1 Power Source: Batteries Type: Manual Specification: Item Type: Hearing Aid Material: ABS Maximum Voice Output: 130db+5db Maximum Sound Increase: 50dB±5dB Wave Distortion: ≤5% Frequency Range: 300-4000Hz Battery: 1 x AA battery Working voltage: DC 1.5V Operating current: 4mA Country of Origin: India