China Biometer Sound Amplifier Hear Assist Device Hearing Aid for Elderly, Find details about China Medical Equipment, Healthcare Apparatus from Biometer Sound Amplifier Hear Assist Device Hearing Aid for Elderly
Package
Max. saturated sound pressure | ≤130+5db |
Max.voice gain | 31±5db |
Equivalent input noise level | ≤32db |
Total harmonic wave distortion | ≤10% |
Frequency response range | 400-7300Hz |
Battery voltage | 3.7V |
Working Current | ≤10mA |
Battery Capacity | 40mAH |