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Mini Invisible Rechargeable Hearing Aids With Storage And Charging Case

Categories Rechargeable Hearing Aids
Brand Name: Retone
Model Number: K419
Certification: FCC, CE,FDA, RoHs
Place of Origin: Shenzhen, China
MOQ: 100pcs
Price: $199-$245/Units >=100 Units
Delivery Time: 15-30days
Packaging Details: Colour packaging
Type 1: CIC digital Hearing amplifier with battery Storage and Charging
Type 2: Rechargeable, invisible, digital, comfortable to hearing
Hearing loss: For mild to moderate
Type 3: Digital hearing aids
Working time: 24 hours
Charging time: 3-6 hours
Lightweight: 2g
Size: Invisible/CIC 0.4"*0.5"*0.8"
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Mini Invisible Rechargeable Hearing Aids With Storage And Charging Case

Rechargeable Hearing Aid with Storage and Charging Combo Portable Charging Case Mini Invisible Hearing Devices Two Blue & Red


Specification Of Digital invisible Hearing Aid

K419 Rechargeable hearing aidsdigital ear canal
Maximum output (dB SPL):115Frequency range (Hz):250-5500
Average output (dB SPL):105Harmonic distortion: 500Hz: 2%
Full gear gain (dB):40Harmonic distortion: 800Hz: 2%
Average gain (dB):32Harmonic distortion: 1600Hz:2%
Battery Capacity (mAh):25mAhInternal noise (dB):20

The structure of the hearing aid

Since the electronic hearing aids were put into use in the early 20th century, the structure of the hearing aids has not changed much, and it is still composed of a microphone, an amplifier, a receiver and a power supply. But hearing aid parts are shrinking in size, sound quality is improving, and there's more selective control.

1 Microphone: collects sound and converts it into radio waves.

2 Amplifier: Increase the intensity of the radio waves.

3 Receiver: Just the opposite of the microphone, converts the increased electrical energy back into sound waves.

4 Power: Small battery.

5 Shell: Protects the internal structure.



1. Smart chip, noise reduction, HD hearing sound.
2. External microphone, decrease whistling feedback.
3. Drop-proof hard shell, IPX4 waterproof design, durable to use.
4. Designed for mild, moderate hearing loss.

5. Recyclable charging
Built in high-capacity lithium-ion battery,long continuous working time and recyclable rechargeable hearing aid saves thetrouble of purchasing and replacing batteries, which is convenient and worry-free

Quality Mini Invisible Rechargeable Hearing Aids With Storage And Charging Case for sale
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