| Technical Parameter | |
|---|---|
| OSPL(Max OSPL90) | <117dB |
| Average OSPL90 | 105+4dB |
| Full on Acoustic Gain | 30+5dB |
| EQ Input Noise | ≤20dB |
| Total Harmonic Wave Distortion | ≤5% |
| Frequency Response | 250~5000HZ |
| Capacity battery(hearing device) | 22mAh |
| Capacity battery(charging case) | 300mAh |



