Qiman Hearing Ear Aids Sound Amplifier Medical F-139 BTE Device Enhancement Eear Care

Description:
100% brand new and high quality
Mini BTE Hearing aid
Max Sound Output: 129dB ± 4dB
Max Sound Gain: 50dB ± 5dB
Harmonic Wave Distortion: ≤5%
Frequency Range: 450~3500 hz
Input Noise: ≤30 dB
Battery: AG13
Working Voltage: dc1.5V
Working Current: ≤4 mA
Color: As the picture shows
Item Size: 5.3 x 4.4 x 1.0cm
Package Size: 9.4 x 7.2 x 3.2cm
Net Weight: 8g
Transition: 1cm=10mm=0.39inch
Please allow 1-3mm error due to manual measurement. pls make sure you do not mind before you bid.
Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!

Package included:

1 x F-139 Hearing aid
3 x Earplug (different sizes)
2 x AG13 button cell battery
1 x User manual
1 x Box

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.
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.
Keep the ear plug clean
Remove the battery if you don’t use it for long time.

Product Features

  • ❤ Max Sound Output: 129dB ± 4dB & Max Sound Gain: 50dB ± 5dB
  • ❤ Harmonic Wave Distortion: ≤5%
  • ❤ Frequency Range: 450~3500 hz
  • ❤ Input Noise:≤30 dB
  • ❤ Package included:1 x F-139 Hearing aid,3 x Earplug (different sizes),2 x AG13 button cell battery,1 x User manual,1 x Box

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