Analog rechargeable BTE ear digital hearing aid
Model:S-109S
Technical Parameters:
Max Out :(±4dB) 130
Max Gain:(±5dB) 53
Frequency Range: 200-3500hz
Max Working Hours: 12h
Equivalent Noise Input: ≤ 32dBSPL
Harmonic Distortion:≤8 %
Voltage: 1.2V
Current: ≤ 3mA
Battery type and capacity (mah): ≤30
High frequency averages:100
Note:
It is forbidden to used by those patients with tympanitis or ear pyogenesis.
Don't use it at high volume for long time. Otherwise it will injure your ear If you feel uncomfortable, please stop using
Please maintain the products all the time, avoid ear plug and sound collecting hole being blocked by foreign objects. It will affect the effect of sound amplifier
Avoid shocking, falling the product. Don't keep or use it in environment of humid or high temperature
Don't throw the scrapped battery as common rubbish, it should be handled by special equipment
Please take out the battery if don't use it for a long time. Otherwise the components will be rotted by time. Rotten liquid from battery
Don't use the product in potential explosive or dangerous environment
Keep the unit away from the children. It will injure him or others, or damage the unit