China Biometer Pocket Type Earphone for Sound Enhancement Deafness Hearing Aid, Find details about China Medical Equipment, Healthcare Apparatus from Biometer Pocket Type Earphone for Sound Enhancement Deafness Hearing Aid
Max. saturated sound pressure | ≤ 125+5db |
Max. voice gain | 32±5db |
Equivalent input noise level | ≤ 40db |
Total harmonic wave distortion | ≤ 10% |
Frequency response range | 200-7000HZ |
Working voltage | 3V |
Working current | ≤ 12mA |
Battery capacity | 600mAH |
Directivity | Omni-directional |
Attachment | 1*host,1*earphone,1*English manual |