USB Rechargeable Behind The Ear Hearing Aid


Product Description

KF-809C USB Rechargeable Behind The Ear Hearing Aid

1. Save money: Don't need buy the batteries for hearing aid, Batteries.
2. More Convenient: Use USB interface,Can connect the power bank and computer, Rechargeable anytime and anywhere,
3. Latest IC ciruit system : The sound is more clear, The noise is smaller,
4. Sound gain: The sound crest volue is bigger, More than 50dB,
5. Worldwide universal USB cable and Adapter: 100-250V, Include Asia, Europe, Middle East, Africa, America etc.
Technical Parameter:

1.  Max. saturated sound pressure:  ≤130+5 DB

2.  High frequency average:  116±5 DB

3.  Max.voice gain: 33±5 DB

4.  Equivalent input noise level: ≤32 DB

5.  Total harmonic wave distortion: ≤10%

6.  Frequency response range: 200-6500 HZ

7.  Battery capacity: 40mA battery is a rechargeable battery

8.  Continuous working time:≤15H

9.  The speaker impedance: 110 ohm

10. Working voltage:1.2V 

11. Working current:≤3 mA

12. Attachment:1*host,6*earplug,1*adapter(Europe or US),1*data line,1*charging base,1*cleaning brush,1*manual



1. Individual packaging: 145*105*37mm. 

2. Carton Size: 540*300*210mm

3. 50pcs/carton. 

4. G.W.:  6kgs      N.W.: 7kgs

Our Service

1. We have register ISO 13485:2016 for our all product.

2. Hearing aids have got Europrean professional Medical CE certificate: EU-MADICAL DEVICES DERECTIVE-93/42/EEC.

3. Warranty: 18 months. 

4. Kanfo provide excellent service and competitive price.


Company Information



Q1: Are you a factory?

A1: Yes, we are factories. Our main products are medical cleaning brushes, tube brushes, gun brushes, wire brushes,instrument cleaning brush and so on. 

Q2: What is the minimum order quantity?

A2: The normal standard is 500pcs, depending on the product. 

Q3: What is the delivery time of the product?

A3: Within 5-20 days after the order is confirmed. 

Q4: Can you customize the logo on the product?

A4: Yes, we can provide customization. 

Q5: Can you make special/customized products for your customers?

A5: Our company accepts OEM/ODM products, welcome customers to provide drawings or samples.

Q6: What is the shipping cost of the product?

A6:1. FedEx / DHL / UPS / TNT samples, door to door;

2. Bulk cargo by air or sea, for FCL; airport/port receiving;

3. The customer specifies the freight forwarder or negotiable mode of transport!

4. Delivery time: 5-7 days for samples; 5-25 days for bulk shipments.

Q7: What is the payment terms?

A7: Payment method: T / T, Western Union, MoneyGram, VISA, Credit card, Alipay