Hearing Aid Clear Sound Amplifiers Machine Device Deafness V-193

Products Informations:

Products technical parameter:

Maximum saturated sound pressure level (dB): ≤ 130dB + 5dB

Max Gain: 50+5dB

Equivalent input noise: ≤32dB

Total harmonic distortion: ≤ 5%

Frequency response range: 450Hz ~ 3500Hz

Rated power supply current: ≤3mA

Package Including:

1* Deaf-aid earphone

1* Zinc air hearing aid battery A675

3* silicone different size ear plugs (small, medium, big)

1* cleaning wax brush

1* gift box

1* English manual

1* FEIE warranty card

Note:

1) It is super mini size and light weight, not easily to be seen;

2) Adjust the volume to the minimum before wearing;

3) Increase the volume gradually to avoid sudden increase in suond;

4)When you not use, take battery out of saving power;

5) Convenient for watching moive, enjoy the drama, attending meeting, watching TV or haveing class;

It can help you hear the sound clearly and loudly !

Problem if you met:

Pls read the manual at first if don't know how to use it or contact our customer service.

If you feel the whistling sound:

1. Choose a suitable ear plug to make the product sealed in the ear canal

2. Low down the sound volume

3. When you put into battery , please be quick , to put the product into the ear

Note:

Adjust volume to the minimum before wearing.

Choose an earplug of slightly bigger size to avoid whistler.

Increase volume gradually to avoid sudden increase in sound.

Keep the ear plug clean

Remove the battery if you don't use it for long time.

Shipping & payment & return

Warranty & return:

This product will have 12 months guarantee, any problems with the device, we will repaire for you for free during the warranty.

~100% of all delivered products are in good quality and under strict checking before sending.We will try our best to avoid quality problem.

Feedback:

1)Please leave us positive feedback and 5 star rates, if you are satisfied with our item and service.

2)Please CONTACT US before leaving any 1,2,3 ratings, neutral or negative feeback or open an dispute, we understand your concerns, so we will do our best to resolve the problems for you, thank you

Any problems you met, pls contact us at once, we are very responsible seller and we are professional in medical hearing aid supplies.