China Biometer Bluetooth Audiphone Ear Hook Deafness Sound Emplifier Hearing Aids, Find details about China Medical Equipment, Healthcare Apparatus from Biometer Bluetooth Audiphone Ear Hook Deafness Sound Emplifier Hearing Aids
Usage Steps
Max. saturated sound pressure | ≤125+5db |
Max.voice gain | 43±5db |
Equivalent input noise level | ≤40db |
Total harmonic wave distortion | ≤20% |
Frequency response range | 200-7500HZ |
Battery voltage | DC 3.0V(2*AG13) |
Directivity | Omni-directional |
Attachment | 1*host,3*earplug,3*battery,1*English manual |