Output. OSPL90 Max. | 120+3dB | |
HFA Gain | 30dB | |
FOG50 HFA Avg. Gain | 30±5dB | |
EQ Input Noise | <=29+3dB | |
Frequency Range | 300Hz-5000Hz | |
Working Current | <=2mA | |
Total Harmonic Distortion | <=5% | |
Rated Volatage | D.C 1.45V | |
Feature:
1. WDRC & AFC Digital Hearing Aid: AFC: The use of an adaptive feedback canceler (AFC) for howling suppression in hearing aids . WDRC: Wide dynamic range compression, the amplification system ever to compensate for the loudness sensitivity.
2. Button Volume Control & Volume Memory: Easy to control volume and the machine will remember the sound level when next time turn on.
3. 4 Program for Different Environment:
Normal Program: For the quiet environment, such as: Home, Office;
Conference Program: For the very quiet environment, such as: Meeting;
Noise Reduction Program: For very noise environment, such as: Bar, Noise production line; Outdoor Program: For the outdoor, environment, Such as: Road, Supermarket.
4. Open Fit Air Conduction: Reduce noise, the user will get a clear volume
5. Invisible & Handiness: Small size and invisible on the ear, Light weight, user even can't feel it when wearing
6. Replaceable Ear Tube: Accessory 2 sides ear tube for it, which tube will be used depends on user which ear has hearing loss.
Q: Are you trading company or manufacturer ?
A: We are factory.
Q: How about your delivery time?
A: Generally, it will take 30 to 60 days after receiving your advance payment. The specific delivery time depends
on the items and the quantity of your order.
Q: Do you provide samples ? is it free or extra ?
A: 1.Yes, we could offer the sample for free charge but do not pay the cost of freight.
2.we can produce by your samples or technical drawings. We can build the molds and fixtures.
Q: How do you ship the goods and how long does it take to arrive?
A: We usually ship by DHL, UPS, FedEx or TNT. It usually takes 3-5 days to arrive. Airline and sea shipping also optional.
Q: Do you offer guarantee for the products?
A: Yes, we offer 1-2 years warranty to our products.
Q: How to deal with the faulty?
A: Firstly, Our products are produced in strict quality control system and the defective rate will be less
than 0.2%.
Secondly, during the guarantee period, we will send new lights with new order for small quantity. For
defective batch products, we will repair them and resend them to you or we can discuss the solution i
ncluding re-call according to real situation.
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The supplier’s transactions conducted via Alibaba.com in the past 6 months.
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