Hot Selling Ear aid Sound Amplifier hearing aid Rechargeable in Deaf-aids for Severe Hearing Loss
KF-806A Rechargeable In The Ear Hearing Aids
Feature:
1. Save money: Don't need buy the batteries for hearing aid, Batteries Waarrant: 18 months.
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: ≤120+5 DB
2. High frequency average: 102±5 DB
3. Max.voice gain: 30±5 DB
4. Equivalent input noise level: ≤36 DB
5. Total harmonic wave distortion: 32%/23%/1.6%
6. Frequency response range: 200-5000 HZ
7. Battery : rechargeable
8. Continuous working time:≤15 H
9. Working Current:≤2 mA
10.Working Voltage:DC1.2V
11.Attachment:1*host,4*earplug,1*adapter(Europe or US),1*data line,1*manual
1. Individual packaging: 100*54*150 mm.
2. Carton Size: 550*350*540mm
3. 100pcs/carton.
4. G.W.: 19kgs N.W.: 18kgs
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.
1, Hearing aids are worn, Why is there noise?
Because the hearing aids belong to the electronic product,It has a current sound. Generally, It is considered to be a noise. It is not that there is no so-called noise at all.Even the best machine will have a current sound. As long as the operation is correct. The current sound is you can adapt slowly according to time.
1) Check if the size of the lower earplug (silica gel) is suitalbe and it is tight,(Because the hearing aids is not in contact with the air, If the earplug is not plugged, The air leakage will produce a larger current sound).
2) Try to turn down the volume as soon as you start using it. Generally, Don’t turn it to the maximum sound.(It recommended to adjust to 1 or 2 when you first start wearing it, If you can’t hearing it, Then slowly increase it).
3) Generally, When you start wearing it, It is recommended wear it for 8 hours every day. After tow to three weeks of wearing, You will adapt slowly, (Sometime, Because you are used to the previous hearing. When you first use it, You will hear some unfamiliar sound. It’s noise,It’s not clear, But it’s because the hearing aids magnify the sound that you can’t usually hear. It’s usually used for a while).
2, Why does the haring aids scream when it is turned on?
The main reason why the hearing aids generally produce whistling is that there is sound leakage between the eardrum and the external auditory cannal, The sound amplified by the hearing aids leaks through the eardrum of the eardrum, After being picked up by the Microphone and amplified. The whistle will be generated. It is recommended to select appropriate earplug and then adjust the sound to the small angle to tighten the ears.
3, How is the hearing aids maintained and cleaned?
Develop the habit of the cleaning the hearing aid, Use the proivded brush to remove the earwax or other tiny particle accumulated around the ear canal the hearing aid, The volume adjustment knob and the charging interface, Then gently wipe the hearing aids with a soft cloth. Do not use solvents, Clean if the liquid or oil is clean and the hearing aid is not use, Turn off the switch, This will extend continuous use time. If it is not turned off, It will make a squeaking noise, Which may cause the attention of children or pets.Resulting in unnecessary damage.
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