Origin:China Mainland Model Number:YK-XB301 Certification:NONE Equivalent input noise:≤ 32dB Frequency response range:450Hz~3000Hz Full sound gain:38dB ± 5dB High frequency average:118dB ± 4dB Rated power supply current consumption:≤ 10mA Total harmonic distortion:≤ 10%
Product Features：
1. Low frequency noise reduction, intelligent noise reduction, no noise, listen to natural sounds
2. Medical silicone, comfortable to wear, suitable for long-term wear, does not affect normal life
3. Small size. Portable storage, only 7-8g, very convenient to carry
4. Easy to use, no need to replace the battery, built-in lithium-ion battery, after full charge, it can be used continuously for 18 hours. If used 2-3 hours a day, it can be used continuously for a week.
New Hearing Amplifier
Listen to the voice of the world
Caring for the elderly Hear more clearly
Digital Smart Chip
Double Noise Reduction
Automatic filtering of external noise
Medical Silicone Catheter
Applies to both ears
High And Low Frequency Switch
Noise reduction mode for high and low frequency environments
Use tips：
1.Adjust volume to the minimum before wearing.
2.Choose an earplug of slightly bigger size to avoid whistler.
3.Increase volume gradually to avoid sudden increase in sound.
4.If you hear a howling, check the ear (silica gel) is appropriate and whether the size of plug is tight, the appropriate choice of earplugs and plugged, make sure no air leakage.
5.Keep the ear plug clean
6.Remove the battery if you don't use it for long time.
Ways to avoid howling/noise:
1. When the power is high (the amplified sound is large), howling is more likely to occur. Therefore, gradually increasing the volume from low can effectively avoid howling.
2. When the ear canal is completely sealed, there is no howling sound. Therefore, please use hearing aids after cleaning your ear canal, and test the earplugs from large to small to find the most suitable earplugs.
3. After the hearing aid enters the ear canal, it is recommended to push the hearing aid with your fingers and hold it for 1-2 seconds, and then release it to fully extend the earplug.
In addition:If you do not know how to use it or there is a problem with your hearing aid, please do not rush to leave a negative review and contact us. Thank you.
Frequently Asked Questions:
1. Why is there noise when wearing hearing aids?
Many users buy it for their family members. If the buyer's hearing is normal, they will try it on themselves. They will not hear clearly and are very noisy. They are generally considered to be noise. This is not a noise. Regular hearing aids do not have so-called noise. They are generally called noise, voice. All hearing aids are available. Our hearing aids are made in strict accordance with the national noise standards. The average hearing patient cannot hear this noise. Some hearing loss is not so severe and can hear a little noise. This can be adapted slowly.
2. Why does the hearing aid hear the squeaking sound as soon as it is turned on?
The main reason for the general whistling of hearing aids is the sound leakage at the contact part of the eardrum and the external auditory canal. The sound amplified by the hearing aid leaks through the gap in the ear canal, and is amplified by the microphone, and it will produce coughing. Therefore, it is normal to open the opportunity to call. It is recommended to select the appropriate earplugs when using it, and then the sound is turned down and then plugged into the ear. it is okay.
3. How to maintain and clean hearing aids?
The habit of cleaning hearing aids, use the provided brush to remove the earwax or other tiny particles that have accumulated around the ear canal of the hearing aid, the volume adjustment knob and the battery compartment, and then gently wipe the hearing aid with a soft cloth. Never use solvents and clean Liquid or oil cleaning hearing aids When the hearing aids are not in use, turn off the switch and open the battery door, which can extend the battery life. If the hearing aid is not turned off, it will emit a "squeaking" sound, which may attract the attention of children or pets and cause unnecessary damage.
