Professional Elderly Rechargeable Digital Hearing Aid Sound Amplifier Noise Reduction Adjustment Deafness
- Category: >>>
- Supplier: Blue Deer Medical Equipment (guangdong) Co. Ltd.
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Product Overview
Description
Specification
Model | M2218 |
Hearing Aid Battery Capacity | 30 mAh |
Charging Base Battery Capacity | 450 mAh |
Base Charging Time | N/A |
Hearing Aid Charging Time | ≈3 hours |
Hearing Aid Usage Duration | Total endurance 25 hours |
Maximum Total Sound Pressure Level (OSPL) 90 (dB SPL) / Saturation Sound Pressure (dB) | ≤125 dB +3 dB |
High-Frequency Average Total Sound Pressure Level 90 (dB SPL) | 114 dB ±4 dB |
High-Frequency Average Maximum Gain / Average Gain (dB) | 43 dB ±5 dB |
Frequency Range | 400 Hz - 4500 Hz |
Total Harmonic Distortion | ≤4% +3% |
Equivalent Input Noise Level | ≤25 dB +3 dB |
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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