C-109 Behind-The-Ear Super Power BTE Hearing Aids
C-109K Medical Equipment Behind-the-ear Sound Amplifier Ear Deaf Rechargeable BTE Hearing Aid
| Product model | C-109K |
| Working voltage | 3.7V |
| Battery capacity | 60mAh |
| Endurance | About 22 hours |
| Maximum OSPL90 | ≤124dB + 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 | 45.5×17.5×11 |
| Weight | 4.93g |
