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This voice sound amplifier helps people with conductive hearing impairment to hear sound and voice as normal people.
_x000D_ Product Features:
_x000D_100% brand new sound amplifier behind the ear _x000D_
Super mini size and light weight, not easily to be seen _x000D_
Adjust volume to the minimum before wearing _x000D_
Choose an earplug of slightly bigger size to avoid whistler _x000D_
Increase volume gradually to avoid sudden increase in sound _x000D_
Color: beige
_x000D_ Technical Specifications:
_x000D_Max saturated sound pressure: 125dB+4dB _x000D_
Harmonic wave distortion: when F<100Hz, = 15%, when F>100Hz, = 10% _x000D_
Frequency response range: 450--3800 Hz _x000D_
Input noise: = 30 dB _x000D_
Power voltage: 1.5 V _x000D_
Working current: <10.8mA _x000D_
Battery type: AG13 button cell battery (included)
_x000D_ Package Contents:
_x000D_Ear sound amplifier * 1 _x000D_
Earplug of different size * 3 _x000D_
AG13 batteries * 2 _x000D_
Instruction manual (english) * 1
_x000D_ Product Features:
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_x000D_ Technical Specifications:
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_x000D_ Package Contents:
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