C-109 Behind-The-Ear Super Power BTE Hearing Aids
E-510 Hearing Aid USB Charging Compartment Portable Hearing Aid In-Ear Assistive Listening Aid
| Product model | E-510 |
| Working voltage | 3.7V |
| Battery capacity | 50mAh |
| Endurance | About 22 hours |
| Maximum OSPL90 | ≤125dB+3dB |
| High frequency average OSPL90 | 112dB±4dB |
| high-frequency average | |
| Total harmonic distortion | |
| Frequency Response Range | |
| Equivalent input noise level | |
| Product size | 33.8×12.7×7.2 |
| Weight | 5g |
