New Arrival Latest Health Care Products Ear Aid Personal Sound Amplifier Invisible Hearing Aids For The Deaf
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JH-D31 Hearing AId Description
Specification | ||
OSPL 90 MAX | ≤114+3DB | |
AVERAGE GAIN | 30±5DB | |
TOTAL HARMONIC DISTORTION | ≤2±3% | |
FREQUENCY RANGE | 450-5000HZ | |
EQ INPUT NOISE | ≤32DB | |
WORKING CURRENT | ≤8MA | |
BATTERY SIZE | A10 | |
Hearing Progtram | Normal, Conference , Noise Reduction, Outdoor Hearing Program | |
Approved | ISO 9001, ISO19485, FDA, CE, RoHS, Freesales | |
JH-D31 | JH-D36 | JH-D18 | JH-238 | |
Signal Processor | Digital | Digital | Digital | Analog |
Size | 10*25mm | 14*30mm | 11*36mm | 40*65mm |
Channels | 4 | 4 | 4 | None |
Program | 4 | 4 | 4 | None |
Input Noise | ≤29dB | ≤32dB | ≤30dB | ≤45dB |
Total Harmonic Distort | ≤5% | ≤5% | ≤4% | ≤10% |
Battery | A10 | A675 | A13 | AA battery |
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Hearing Aids 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.
Q: 2. About product patents.
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.
Q: 3. About the MOQ.
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.
Q: 4. About leading time.
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.
Q: 5. Business for
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.
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