C-109 Behind-The-Ear Super Power BTE Hearing Aids
E-716 Hot Selling China Cheap Behind the Ear Medical Rechargeable Wireless Hearing Aid Recargables Deaf Old People Ear Aids
| Product model | E-716 |
| Working voltage | 3.7V |
| Battery capacity | 40mAh |
| Endurance | About 18 hours |
| Maximum OSPL90 | ≤123dB+3dB |
| High frequency average OSPL90 | 112dB±4dB |
| high-frequency average | 38dB±5dB |
| Total harmonic distortion | ≤7%+3% |
| Frequency Response Range | 450Hz - 3000Hz |
| Equivalent input noise level | ≤29dB+3dB |
| Product size | 48.2×19.3×10.8 |
| Weight | 5.106g |
