China Biometer Mini Hearing Aid in-The-Ear Sound Amplifier Tiny Hearing Aids, Find details about China Medical Equipment, Healthcare Apparatus from Biometer Mini Hearing Aid in-The-Ear Sound Amplifier Tiny Hearing Aids
Max.voice gain | 35±5db |
Equivalent input noise level | ≤32db |
Total harmonic wave distortion | ≤10% |
Frequency response range | 200-6700HZ |
Battery voltage | DC 1.5V (1*AG3) |
Attachment | 1*host,3*earplug,3*battery,1*English manual |
Working current | ≤10mA |