wholesale freeshipping 5pcs new and hot bte hearing aid /sound amplifier #Good quality

wholesale freeshipping 5pcs new and hot  bte hearing aid /sound amplifier #Good quality
Price: US $178.95/ lot, 5 pieces / lot,$35.79/ piece|Processing Time: Ships out within 3 days
Unit Type: lot (5 pieces/lot)|Package Weight: 1.0kg|Package Size: 20cm x 15cm x 14cm

Detailed Information:

wholesale freeshipping 5pcs new and hot bte hearing aid /sound amplifier #Good quality by EMS

technical parameters:

Maximum saturation pressure: 129dB ± 4dB

Full gear noise gain: 52dB ± 5dB

Harmonic distortion: acuities 5%

Frequency response: 45-3500 speed

The equivalent input noise than 30 dB.

Standard cell AG13: A675 or buttons

1 for moderating people with severe deafness,

2 the noise is small, the timbre is beautiful .

3. Automatic SMD machining,and not the artificial welding.So the reliability is better than other hearing aid .The Internal circuit is also more clean and beautiful.

4 The powe of K618 is better than K158.When the currency voltage is at 1.5,it can change the 1600HZ into 55db.

5. K618 is built-in speakers imported.The noise is very small.Its sound is better than other models .

6.catheter can be adjustable . easy to use ,maintain and operate easily.

The instructions.

1, battery installation: please gently open battery cover and put a battery AG13 or A675 /battery inside .And then push the cover back .

2, Start the machine : switch N - O to "N".

3,Wearing : opening the small volume first , and put the hearing aid after ear , and push the earplugs into the ear.

4 shutdown: switch N - O to "O".

Hearing loss rate level:

00-40 decibels: basic normal

41-55 decibels: mild-to-moderate deafness (small voice hear, short face-to-face talk loudly (normal) can be heard)

56-70 decibels: moderate deafness (against loudly, other conditions can communicate basic communication is difficult)

71-90 db: severe deafness (basic language exchange, need not in the ear side loudly to slightly heard)

Ninety decibels: extremely severe > deafness (in ear to hear Shouting can force, hissing at ordinary times is silent world) basic

The storage method

1 Making sure the relative humidity is no than 80 percent, no corrosive gas, putting it on dry place.Avoiding direct sunlight and violent vibration.

Suggestion: Put a small bags of drying agent inside the box when you not using the hearing aid .It can absorb moisture.

2, if not using the hearing aids , please turn it off .It can extend the battery life.

3 Not using it a long time,you should take the hearing battery out and put them in a dry place .Don’t let the kids play with the hearing aid.

Customer feedbackThe most satisfying is effect, the most worry is also effect, some product features are often beyond the limits of human physiology, great effect!

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Detailed Specifications:

Place of Origin: Guangdong China (Mainland)|Type: Professional Amplifier|Brand Name: hearingking|Model Number: 618A|bte hearing aid: bte hearing aid|heairng aid: heairng aid|new design: brand new|hotsale: good quality