Rechargeable ear hearing aid mini device sordos aides amplifier digital hearing aids in the ear for elderly apparecchio acustico

• Unit Type: lot (2 pieces/lot)
• Package Weight: 0.37kg (0.82lb.)
• Package Size: 11cm x 10cm x 9cm (4.33in x 3.94in x 3.54in)

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Hearing Aids Rechargeable Digital Hearing Device Ear Sound Amplifier for Elder Offers:
   1. Rechargeable, no batteries need.
   2. Adapter plug can be customized.
   3.Practically unnoticeable, Weighs only 0.3 ounces.
   4.Easy and comfortable to wear.
   5.Volume Adjustable.
   6.Silicone earplugs in 6 different sizes, fit more ears.
   7.Amplifies sound up to 30X.
   8. Full charge can stand up to 8-10 hours continues use.
rechargeable ear hearing aid mini device sordos ear amplifier digital hearing aids in the ear for elderly
Product performance and parameters:
A.Max.saturater volume output:130±5 dB.
B.Max voice gain:55±5 dB
C.Harmonic distortion:
H.Gain:30db
I.Distortion:≤6%
O.Working Current:≤3MA
Product description:
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