Relief Ear Problem Aroma Fragrance Beeswax Ear Candle
US $0.16-$0.19
Китайский OEM усилитель звука, слуховые аппараты для глухих слухов
- Category: Ear & Hearing >>>
- Supplier: Xiamen Retone Hearing Technology Co. Ltd.
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Product Overview
Description
China OEM sound amplifier hearing aids for deaf hearing
Product Description
Vigor 402:
- 100% Digital processing for exceptional sound quality 4 Preset Configurations:
- 4 channels WDRC amplifier - Speech (default)
- 12 bands frequancy shaping - Restaurant Noise
- Wideband MPO - Road Noise
- Open-fit design, easy operating - Outdoor Noise
- 10 bands LNR laycred noise reduction
- Directional MIC
- AFC Adaptivefeedback cancellation
- Low battery warning
- Low power consumption
- Multifunction rocker switch
- Auto save digital volume control
- Bluetooth and programming type are optional
Technical Data
| Feature | Vigor 402 | Vigor 402BT | Vigor 403 | Vigor 402P |
| Housing Design | Open-fit | Open-fit | RIC | Open-fit |
| Processing | Digital 4ch | Digital 4ch | Digital 4ch | Digital 4ch |
| Volume control | Rocker-type II | Rocker-type II | Rocker-type II | Rocker-type II |
| Measurement | ||||
| Peak OSPL90(dB SPL) | 113 | 113 | 113 | 113 |
| OSPL90-HFA(dB SPL) | 103 | 103 | 110 | 103 |
| Peak Gain(dB) | 30 | 30 | 35 | 30 |
| HFA/FOG(dB) | 22 | 22 | 30 | 22 |
| Reference test gain(dB) | 20 | 20 | 26 | 20 |
| Frequency Range(Hz) | 200-4000 | 200-4000 | 200-6000 | 200-4000 |
| EQ input noise(dB) | 24 | 24 | 30 | 24 |
| Battery Size | 312A | 312A | 312A | 312A |
| Battery Current(mA) | 0.6 | 0.6 | 0.6 | 0.6 |
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FAQ
Q: Are you trading company or manufacturer ?
A: We are manufacture. We have our own research and development teams and factory.
Q: How about your delivery time?
A: Generally, it will take 5 to 15 days after receiving your advance payment. The specific delivery time depends on the items and the quantity of your order.
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: How to deal with the faulty?
A: Our products are produced in strict quality control system and the defective rate will be less than 0.2%.
For defective batch products, we will repair them and resend them to you or we can discuss the solution including re-call according to real situation.
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