One fit all OTC hearing aids for online selling

Specification	Vigor 402	Vigor 402BT
Design	Digital Open-fit	Digital Bluetooth Open-fit
Volume control	Rocker-type II	Rocker-type II
Peak OSPL90(dB SPL)	113	113
OSPL90-HFA(dB SPL)	103	103
Peak Gain(dB)	30	30
HFA/FOG(dB)	20	20
Reference test gain(dB)	21	21
Frequency Range(Hz)	200-6000	200-6000
EQ input noise(dB)	23	23
Battery Size	312	312
Battery Current(mA)	0.6	0.6

Signature feature

- 100% Digital processing for exceptional sound quality 4 Preset Configurations:
- 4 channels WDRC amplifier
- 12 bands frequancy shaping
- Wideband MPO
- Open-fit design, easy operating
- 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

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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We make life sound better

Retone is the global leader in hearing solutions. It allows you to hear more sounds and do more than you think. We put the hearing impaired at the core of everything we do.

Our highly integrated series of capabilities are designed to provide our customers with high-speed, large-capacity, high-quality and high-flexibility but low-cost wireless hearing solutions from APP design to shell molding and mass production. We are proud to introduce a significant upgrade of our product line, all products are compatible with the latest BLUE wireless technology. In addition to the most common BTE, Open-fit and RITE products, we also provide industry-first ITE products that use this latest technology.

Constantly strive to find better solutions to help people rediscover their hearing so that they can lead a prosperous, active and fulfilling life. Good hearing will produce positive health effects, increase social participation, improve communication, and reduce the risk of depression.