China Biometer Micro Ear Sound Emplifier for Hearing Damage Hearing Aids, Find details about China Medical Equipment, Healthcare Apparatus from Biometer Micro Ear Sound Emplifier for Hearing Damage Hearing Aids
Output Power | ≤3.6mW |
Max. Sound output | ≤121+5 dB |
Max.voice gain | 30±5dB |
Frequency response range | 200--4000Hz |
Equivalent input noise level | ≤45dB |
Total harmonic wave distortion | ≤10% |
Continuous working time | ≤15H |
Battery capacity | 30 mA rechargeable lithium battery |
Working current | ≤10mA |
Working voltage | 3.7V |
Attachment | 1*host, 4*earplug, 1*adapter (Europe or US), 1*data line, 1*cleaning brush, 1*color box, 1*English manual |