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2pcs/lot Rechargeable Analog ITC Sound Voice Amplifier Hearing Aids S-216 Auality Sound Micro Ear Hearing Aid in the ear
Product performance and parameters:
1.Max Out: ≥120dB
4.Harmonic Distortion:a)≥10% (Frequency< 1000Hz)
5.Equvi Input Noise:≤30dB.
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: