Rechargeable Sound Amplifier MINI Hearing Aid Aids Device Adjustable Tone Personal Ear Care Tools
Model Number: 108 battery: rechargeable is_customized: Yes function 1: BTE hearing aids function 2: rechargeabl hearing aid function 3: BTE Sound Amplifier function 4: CHEAP Sound Amplifier function 5: MINI Hearing Aid function 6: Ear Care
Product performance and parameters:
A.Max.saturater volume output:130±5 dB.
B.Max voice gain:55±5 dB
C.Harmonic distortion:<10% 1000hz
D.Equivalent input noise level:30dB
E.Frequency range:100-4000 Hz
G.Signal to Noise Ration:28db
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.
White box packaging, a product into a blister, reentry a white box.