Retone shenzhen Technology Co., Ltd.
Making better hearing part of healthy living
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Specifications
| Technical Data | K-19S |
| Peak OSPL 90 ( dB SPL) | 115 |
| HAF OSPL 90 ( dB SPL) | 105 |
| Peak Gain(dB) | 32 |
| HAF Ful on Gain (dB) | 22 |
| Frequency Range (Hz) | 200-4500 |
| 500Hz(%) | 3.0 |
| 800Hz(%) | 3.0 |
| 1600Hz (%) | 3.0 |
| EQ Input Noise (dB) | 30 |
| Battery | rechargeable |
Start your OTC hearing aid business with us!
Retone is a fast-growing OEM/ODM hearing aid manufacturer, who has high-level product expertise on OTC hearing products for years.
Over 80% products and production in Retone are Buy-and-go hearing products.
Every year over 4 styles OTC hearing products are launched or upgraded base on market and customers’ request.
Over 45% customers come from the pharmacy, optical shop and emerging market.
Not the top OEM/ODM maker, but our superiority is flexibility.
Q: Are you trading company or manufacturer ?
A: We are manufacturer. We are a company integrating production and R&D.
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.
Q: How long will it last when fully charged?
A: Usually more than 18 Hours.
Q: Can you provide OEM brand service?
A: OEM and ODM is available, usually our OEM moq is from 200pairs.
1. Prompt and professional reply to your inquiry.
2. Customized box, manual, printing are available for mass orders.
3. Customized program setting, fittable to personal use.
4. Personal information protected.
5. On time delivery, and 1 year warranty.
