China Biometer Cheap Price Kids Old People Use Sound Amplifier Pocket Button Battery Hearing Aid Device Medical Damage Deafness Rechargeable Ear Hearing Aid, Find details about China Medical Equipment, Healthcare Apparatus from Biometer Cheap Price Kids Old People Use Sound Amplifier Pocket Button Battery Hearing Aid Device Medical Damage Deafness Rechargeable Ear Hearing Aid
Usage Steps
Max. saturated sound pressure | ≤130+5db |
Max.voice gain | 45±5db |
Equivalent input noise level | ≤32db |
Total harmonic wave distortion | ≤10% |
Frequency response range | 200-3400HZ |
Battery voltage | DC 1.5V(1*AG13) |
Directivity | Omni-directional |
Attachment | 1*host,3*earplug,3*battery,1*English manual |