K-86 Mini Adjustable Tone In-ear Best Invisible Sound Enhancement Deaf Volume Amplifier Hearing Aids 5688878 2017 – ¥1,201

Key Features

Brand new and high quality invisible hearing aid sound amplifier
Super mini size and light weight, not easily to be seen
Adjust volume to the minimum before wearing
Increase volume gradually to avoid sudden increase in sound
Convenient for watching movie, enjoying the drama, attending meeting, or having class, it could help you hear the sound clearly and loudly

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Specification:
Mini ITE Hearing aid
Max Sound Output: ≥120 dB
Max Sound Gain: ≥30 dB
Harmonic Wave Distortion: f<1000Hz≤10%,f>1000Hz≤4%
Frequency Range: 250～3800 Hz
Input Noise: ≤50 dB
Battery: AG3 Button battery (included)
Working Voltage: dc1.5V
Working Current: ≤4mA
Color: As the picture shows
Item Size: 1.9 x 1.4 x 1.6cm
Package Size: 8.5 x 5.5 x 3.5cm
Net Weight: 3g

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Package included:
1 x K-80 Hearing aid
4 x Earplug (different sizes)
2 x AG3 Button battery
1 x User manual
1 x Box

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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.

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Specifications

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