Please leave us message to know the RIGHT or LEFT ear when you buy one side.
T hank you in advance for your kind assistance!
2pcs pairing left & right Analog Rechargeable Digital BTE Sound Voice Amplifier Hearing Aids S-109 For Elderly Hearing Loss
Product performance and parameters:
MAX SSPL90: ±4 dB
Full-on Gain: ±5dB
Max Working Hours: 12h
Equvi Input Noise: ≤32dB
Frequency Range: 200 ~ 3500 Hz
Harmonic Distortion: ≤8%
The average high frequency:100
1.this product for charging, do not need to buy batteries and trouble, no electricity can charge.
2.when please place the product directly inserted in the black box on the product without electricity. Put the power into the DC jack, charging the black box on the exhibit of lanterns lit.
3.The charge 8 hours can be used 12 hours, so you night after charged during the day, don\'t worry he will not be without electricity,
4.when used to choose the suitable for your earplugs, and then switch to ON open state, and then to turn the volume switch to your dB, when you sleep or take a shower when you put him down, will hit the OFF switch off state, so can Ting long use time.
5.do not place the product in water or moist places.
Hearing aid pictures: