A-305
roduct name | In-the-ear hearing aid |
Product model | A-28 |
Working voltage | d.c.3.7V |
Battery capacity | 35mAh |
Endurance | About20 hours |
OSPL90 Maximum OSPL90 | ≤113dB+3dB |
OSPL90 High frequencyaverage OSPL90 | 107dB+4dB |
Full range sound gain(high-frequency average) | 28dB+5dB |
Total harmonic distortion | <7%+3% |
Thefrequency response range is notnarrowthan | 450HZ~3000Hz |
Equivalentinputnoiselevel | ≤29dB +3dB |
Product size | ≈31.4*13.5*17.9 |
Weight | ≈5.3g |