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Invisible Hearing Aids Sound Amplifier for elderly Ear Hearing Amplifier
Adjustable Tone Sound Amplifier audifonos para sordera Hearing Device
Advantage:
intelligent Noise Reduction
light-weight & Small Designed
Comfortable Listening
Trimmer VCe: vc becomes 0-max
listening program
Easy to Operate,Easy to Use
Technical Specification:
1 OSPL(90dB SPL)111
2 OSPL90(dB SPL)107
three Gain(dB)39
four FOG(dB)34
five Range
6≤200Hz-F2≥7200Hz
7 at 500Hz 2%
eight at 800Hz 1%
9 at 1600Hz 0%
10 Noise Level(dB)23
eleven Current Drain(mA) 1
Note:
1 volume to the minimal before wearing;
2 an earplug of barely larger size to avoid whistler;
3 quantity gradually to avoid unexpected broaden in sound;
four you pay attention a howling, test the ear (silica gel) is acceptable and whether the scale of plug is tight, the appropriate selection of earplugs and plugged, ensure no air leakage;
5 the ear plug clean;
6 the battery when you don&;t use it for very long time