Wireless invisible hearing aid for the elderly

$304.87 $390.00

Discount: $85.13 (22%)

Binaural
Single

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Out of stock

Description

Specification: Material: plastic Color: skin tone, Quantity: 1 pair Maximum sound output: 115 +/- 3dB Sound gain: ≥28dB +/- 5dB Total harmonic distortion: ≤ 3% Frequency range: 300-3500MHz Input noise: 32dB Voltage: DC1.5V Current: ≤2mA...