Active Member
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[China]
Address: 1705,3Nod Smart Building,No.3388,Binhai Avenue,Nanshan District,Shenzhen,China
Contact name:Betty Yang
Retone shenzhen Technology Co., Ltd. |
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Hearing Aids for Seniors Rechargeable with Noise Cancelling Mini Invisible Hearing Aid Digital Hearing Amplifier
Invisible Hearing aids are Small and light-weight, only about 3g,
magic ear as seen on tv. Ergonomic design, not easy to fall off.
Nano Hearing aids for adults are Waterproof and sweat-proof.Sound
amplifier naked design is be seamlessly integrated with your
skin.Special hearing aid earbuds designed for the hearing loss.
Just turn hearing amplifier on, Set your volume preference. you can
tell left or right by "L" or "R" letter on the devices. No
radiation and harm to the human ear(NOTE!!! Hearing aids for
seniors rechargeable need to Adjust volume with the tool)
The newly upgraded smart chip, the noise reduction is 30% higher
than usual. Ear Protection Output - Automatic sound gain
control-output for hearing protection, won't suffer from sudden
loud noise. You can put the rechargeable hearing aids in a small
box, which is easy to carry and go out(NOTICE: this hearing aid
earbuds is not for severe hearing impairment)
Ear amplifier hearing aids charging about 3 hours can be full and
about 24 hours can be used. (Tips:It is USB rechargeable hearing
aid without frequent battery replacement)
| K419 Rechargeable hearing aids | Analog ear canal |
| Maximum output (dB SPL):115 | Frequency range (Hz):250-5500 |
| Average output (dB SPL):105 | Harmonic distortion: 500Hz: 2% |
| Full gear gain (dB):40 | Harmonic distortion: 800Hz: 2% |
| Average gain (dB):32 | Harmonic distortion: 1600Hz:2% |
| Battery Capacity (mAh):25mAh | Internal noise (dB):20 |
