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F-138 Adjustable noise reduction of hearing aids in the back of the ear for elderly people with hearing loss and hearing impairment
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Product details
Features:
Max Sound Output: 129dB ± 4dB
Max Sound Gain: 50dB ± 5dB
Harmonic Wave Distortion: ≤5%
Frequency Range: 450~3500 hz
Input Noise: ≤30 dB
Battery: AG13
Working Voltage dc1.5V
Working Current: ≤4mA
Excluding batteries
Accesory:
Main Unit x1
Earplugs x3
User manual x1
Specifications
Key Features
Features:
Max Sound Output: 129dB ± 4dB
Max Sound Gain: 50dB ± 5dB
Harmonic Wave Distortion: ≤5%
Frequency Range: 450~3500 hz
Input Noise: ≤30 dB
Battery: AG13
Working Voltage dc1.5V
Working Current: ≤4mA
Excluding batteries
Accesory:
Main Unit x1
Earplugs x3
User manual x1
What’s in the box
1X package
Specifications
- SKU: GE779SE2879ZNNAFAMZ
- Production Country: China
- Size (L x W x H cm): 20x10x20
- Weight (kg): 0.2
- Color: 1
- Main Material: other
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