China Biometer High-Quality Ultra Sound Amplifier Earsmate Audiphone Hearing Aid, Find details about China Medical Equipment, Healthcare Apparatus from Biometer High-Quality Ultra Sound Amplifier Earsmate Audiphone Hearing Aid
Max. saturated sound pressure | ≤135+5db |
High frequency average | 122±5 db |
Equivalent input noise level | ≤32+3 db |
Frequency response range | 200-3500HZ |
Max.voice gain | 38±5 db |
Rated current | ≤10mA |