Невидимый ушной усилитель Jinghao водонепроницаемый перезаряжаемый слуховой
- Категория: Ear & Hearing >>>
- Поставщик: Huizhou,Jinghao,Medical,Technology,Co.,Ltd.
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Описание и отзывы
Трекер стоимости
| Месяц | Минимальная цена | Макс. стоимость |
|---|---|---|
| Sep-16-2025 | 0.7 $* | 0.95 $* |
| Aug-16-2025 | 0.66 $* | 0.87 $* |
| Jul-16-2025 | 0.15 $* | 0.61 $* |
| Jun-16-2025 | 0.40 $* | 0.96 $* |
| May-16-2025 | 0.86 $* | 0.53 $* |
| Apr-16-2025 | 0.33 $* | 0.9 $* |
| Mar-16-2025 | 0.88 $* | 0.73 $* |
| Feb-16-2025 | 0.22 $* | 0.28 $* |
| Jan-16-2025 | 0.19 $* | 0.39 $* |
Характеристики
JH-A620 Rechargeable Hearing Aid
Technical Specifications一 JH-A620 | ||
Output. OSPL90 Max. | ≤120dB+3dB | |
HFA Avg | 27dB±5dB | |
EQ Input Noise | ≤29dB+3dB | |
Frequency Range(Not narrower than ) | 450Hz～4000Hz | |
Battery Current | ≤10mA | |
Total Harmonic Distortion | ≤7%+3% | |
Working voltage | d.c.3.7V | |
Why Choose Us
Certifications
Factory Certificates
FAQ
Q: 1. About hearing aid and system certificates.
A: Not all the certificates will be showed on alibaba, if you need them, pls contact us to get them.
A: All our hearing aids have got the patents, so you don't need to worry the patent problem if you were selling our products.
A: MOQ 1 is means sample, before place order, we will provide sample for you to text. Different item has different MOQ, pls contact our sales to know the details.
A: 30 working days for OEM order generally, 3 working days for most of our hearing aids, 7 working days for some item in stock. But for the exact delivery time, pls contact our sales.
We only sell our hearing aid for commercial using and OEM order we can provide free sample. But personal using pls contact our distributor in your local.
