Chixing M909WS Hearing Aids for Seniors Rechargeable with Noise Cancelling

Technical Parameter
Maximum OSPL90: ≤120dB+3dB
Average output sound pressure level: 112dB±4dB
Full sound gain: 38dB±2dB
Equivalent input noise level: ≤32dB+2dB
Frequency response range: 300hz-8000hz
Total harmonic distortion :≤5%
Built-in lithium battery: 55mAh
Single use time: 48 hours
1 pair of hearing aids

Recommendations
1. The user who uses the hearing aid for the first time selects the low-frequency mode in the first week or two and adjusts it to the most appropriate volume to adapt to the habit of wearing the hearing aid.
2. Don't wear it too long a day. Take it off and rest every 30 minutes.
3. After the adaptation period, try to switch modes or wear the device when talking to people, and continue to try in different scenes until you find the most comfortable experience.

Question & Answer
1. Why is there no sound when wearing it?
a) Check if the volume is suitable for your hearing.
b) Check whether the hearing aid has electricity.
c) Check whether there is earwax in the ear canal.

2. Why is there a whistling (sharp sound)?
A whistle (shrill sound) is a sign of wearing hearing aids incorrectly. If the hearing aid and ear canal do not match, the sound from the receiver will be picked up by the microphone again, forming a loop that will be continuously amplified and produce a whistling sound.

Solution: Please chooese the appropriate ear tips according to the size of the ear canal and make sure the ear tips fit snugly in your ear.

3. How can I care for my hearing aid?
a) Keep hearing aids away from heat and dust.
b) Clean hearing aids as instructed. Earwax and ear drainage can damage a hearing aid.
c) Avoid using hairspray or other hair care products while wearing hearing aids.
d) Turn off hearing aids when they are not in use.

4. For better care for your device, Please pay attention to 4 important cause for Hearing Aid Damage as below :
a) Failing To Clean Hearing Aids Or Cleaning Them Incorrectly.
b) Dropping Hearing Aids Like Dropping them on a hard surface from any height can damage them.
c) Improper Storage - store your hearing aids in moist places like the bathroom or hot places like the car.
d) When you wear device in shower, Swimming or Blow-drying your hair Using hairsprays and other aerosol products may expose your hearing aids to moisture, heat and substances that can clog the microphone and receiver result in stopping work.

Note: Please charge the hearing aid and charging case for at least 10-12 hours the first time you turn on them.

TIPS:
1.It is USB rechargeable hearing assist without frequent battery replacement.
2.Please choose an earplug that fits the ear canal, as the gaps can cause noise.
3.Please use the correct wearing method to ensure that the hearing closely match the ear canal to avoid sound feedback and howling.
4.Do not touch the little loudspeaker which is used for reception with your hands during use, otherwise it will make noise.
5.When hearing aids are used for the first time, noise is inevitable.

• The use of intelligent programming chips made in Germany
• Super long working hours, suitable for the elderly to use all day
• 3 different frequency modes and 4 levels of volume adjustment
• Double noise reduction, filter noise, clearer, restore the real sound
• Small and light, with soft earplugs, long-term use of no damage to the ear
• The appearance of ergonomic design, fit ears, firm and not easy to fall off
• Different frequency channels, enhanced processing, noise reduction, feedback suppression, background noise removal