China Biometer Rechargeable Ear Sound Emplifier Ear Hook Type Hearing Aids, Find details about China Medical Equipment, Healthcare Apparatus from Biometer Rechargeable Ear Sound Emplifier Ear Hook Type Hearing Aids
Max.voice gain | 35±5db |
Equivalent input noise level | ≤45db |
Total harmonic wave distortion | ≤10% |
Frequency response range | 200-5000HZ |
Battery | Rechargeable |
Attachment | 1*host, 6*earplug, 1*adapter (Europe or US), 1*data line, 1*charging base, 1*cleaning brush, 1*English manual |
Continuous working time | ≤15H |
Dimensions | 44*16*10mm |