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K-55 Hearing aid

Item Code: K-55
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  • Description
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
Working Voltage: dc1.5V
Working Current: ≤4mA
Color: As the picture shows
Item Size: 2 x 1.3 x 1.6cm
Package Size: 10.2 x 7.2 x 2.5cm                        
Net Weight: 4g

Package included:
1 x K-55 Hearing aid
3 x Earplug (different sizes)
2 x AG3 Button battery
1 x User manual

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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