A hearing aid is a small electronic device that you wear in or behind your ear. It makes some sounds louder so that a person with hearing loss can listen, communicate, and participate more fully in daily activities.
Specifications:
- Max sound output: 125dB ± 3
- Sound gain: 35dB ± 5
- Total harmonic wave distortion: 10%
- Freq. Range: 300 ~ 350Hz
- Input noise: 32dB
- Voltage: 1.5V DC
- Current: 4.5mA
- Battery: Lr754
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