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JH-D03 BTE FM Balanced Armature Loudspeaker Open Fit Hearing Aid / Hearing Amplifier

Specification of JH-D03 BTE FM Balanced Armature Loudspeaker Open Fit Hearing Aid Hearing Amplifier
Max Sound Output 130±3dB
Sound Gain 40±5dB
Total Harmonic Wave Distortion 500HZ<3%
800HZ<5%
1600HZ<1%
Operation Current/mA ≤3mA
Certification FDA
Frequency Range 400-4000Hz
Input Noise ≤32dB
Hearing Loss slight, moderate
Voltage 1.5V
Battery Type LR754
Battery capacity/Mah 68
Working time/H 30
Certification FDA
Machine size(cm) 3*6.8*8.5cm

The feature of JH-D03 BTE FM Balanced Armature Loudspeaker Open Fit Hearing Aid Ear Machine for Deaf

1. Modeling exquisite, the button is obvious, easy to operate;
2. Open fit hearing aid can change the ear tube as you need, comfortable wear;
3. Corresponding uncomfortable threshold properly adjust the maximum output, protect ear;
4. 3 different shape earplugs are provided, which can fit different people's ear;
5. Option for high and low distortion, suitable for the different environment;
6. Key-type tuning, the key could be power switch, high and low-frequency regulation, convenient and elegant.
7. Touch tone for volume tuning , easy and elegant.

Ear Machine for Deaf Package Included

1 Ear hoop hearing Amplifier
3 Ear tips
2 Ear tube
1 Velvet box
1 Manual book
2 LR754 battery

Precautions of JH-D03 BTE FM Balanced Armature Loudspeaker Open Fit Hearing Aid Hearing Amplifier
1. Adjust volume to the minimum level or switch off before wearing.
2. To choose the right size of ear tips to avoid any extra noise.
3. Increase volume gradually to avoid the sudden increase in sound.
4. If you hear a howling, check the ear (silica gel) is appropriate and whether the size of the plug is tight, the appropriate choice of earplugs and plugged, make sure no air leakage.
5. Please regularly clean the ear plugs in order to ensure the normal use of hearing aids.
6. Use for long periods of time, please remove the batteries to prevent rot erosion hearing aid components.
7. Keep out of reach of children.
8. The device is not water resistant.



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