Home Care Products Elderly Hearing Aid Rechargeable Hearing Earphone Amplifier Medical Device Supply Old People
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- Supplier: Blue Deer Medical Equipment (guangdong) Co. Ltd.
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Product Overview
Description
Specification
Name | Behind The Ear Hearing Aid |
Model | M2231 |
Operating principle | The microphoneconverts thesound information into an electrical signal,whichisprocessed by a digitalchip and transmittedtothe output of the receiver.The digitalsignal amplifica- tion principle is used for signal processing. |
Components | Earplug,charging case and hearing aid. |
Accessories | Charging case:1unit Earplugs:1 set Charging cable:1 piece of USB to Type-C cable User manual:1 piece |
Max-0SPL0 | ≤125dB+3dB |
HFA-FOGg | 43dB±5dB |
Total Harmonic Distort | ≤4%+3% |
Frequency Response | 400Hz~4500Hz |
EQ Input Noise | ≤25dB+3dB |
Battery Supply Current | 4.0mA |
Cautions
1.Protect from moisture,shock and high temperature.Do notimmerse the hearing aid in
any liquid,and remove the hearing aid before swimming and washing hair or bathing;After swimming or bathing,wait for the ear canal to dry before putting on the hearing aid.
2.After removing the hearing aid at night,it should be placed in the charging case,away from light,high temperature andhigh humidity,and avoid dropping and touching.
3.Keepthe surface of the hearing aid clean and clean the earwaxin the sound outlet hole of the hearing aid frequently.
Note:The main unit has a dust and water resistance rating of IP22.
any liquid,and remove the hearing aid before swimming and washing hair or bathing;After swimming or bathing,wait for the ear canal to dry before putting on the hearing aid.
2.After removing the hearing aid at night,it should be placed in the charging case,away from light,high temperature andhigh humidity,and avoid dropping and touching.
3.Keepthe surface of the hearing aid clean and clean the earwaxin the sound outlet hole of the hearing aid frequently.
Note:The main unit has a dust and water resistance rating of IP22.
Product Description
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