In-Ear Hearing Aid Sound Amplifier Mini Wireless CIC Hearing Aids Portable Hearing Device For Deafness Aparelho Auditivo
$45.09
Description
Price: 30.16 - 45.09
Invisible Hearing Aids Sound Amplifier for elderly Ear Hearing Amplifier
Adjustable Tone Sound Amplifier audifonos para sordera Hearing Device
Advantage:
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intelligent Noise Reduction
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lightweight & Small Designed
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Comfortable Listening
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Trimmer VCe: vc becomes 0-max
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listening program
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Easy to Operate,Easy to Use
Technical Specification:
1.MAX OSPL(90dB SPL)111
2.HFA OSPL90(dB SPL)107
3.Peak Gain(dB)39
4.HFA FOG(dB)34
5.Frequency Range
6.F1≤200Hz-F2≥7200Hz
7.THD at 500Hz 2.0%
8.THD at 800Hz 1.0%
9.THD at 1600Hz 0.4%
10.Eq.Input Noise Level(dB)23.4
11.Battery Current Drain(mA) 1.59
Note:
1.Adjust volume to the minimum before wearing;
2.Choose an earplug of slightly bigger size to avoid whistler;
3.Increase volume gradually to avoid sudden increase in sound;
4.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;
5.Keep the ear plug clean;
6.Remove the battery if you don't use it for long time.