Hearing Aids Invisible Super Sound Amplifier For Deafness / Elderly Adjustable
Micro Wireless Mini Size Hearing Aid Hearing Device audifonos para sordera
Advantage:
1.4 Channels?&?8 Bands?
2.Intelligent?Noise?Reduction?System(12DB)?
3.Automatic?Feedback?Compression?DFS?System?
4.Program?Switch?Beep?
5.Secondary?Strong?Sound?Block?
6.Multi-channel?Expansion(4?Channels)?
7.Three-in-one button:1S / adjust volume, 3S / adjustment program, 8S / standby
8.Three?Programs?/3?scene?switching
9.Intelligent?Frequency?Spectrum?Analysis?System?
10.Intelligent?Volume?Learning?
11.Program/Volume?Recording?
12.Soft?Shutdown?
13.Preprogrammed?Type(best?fitting?based?on?the?audiogram)?
14.Level?3??Intermediate?Wind?Noise?Suppression?Management?System
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 dont use it for long time.
