C-109 Behind-The-Ear Super Power BTE Hearing Aids
A-28 Hot Sale Digital CIC Mini Hearing Aids Rechargeable for the Deaf Wireless Hearing Aid
| Product model | A-28 |
| Working voltage | 3.7V |
| Battery capacity | 35mAh |
| Endurance | About 20 hours |
| Maximum OSPL90 | ≤113dB + 3dB |
| High frequency average OSPL90 | 107dB±4dB |
| high-frequency average | 28dB±5dB |
| Total harmonic distortion | ≤7% + 3% |
| Frequency Response Range | 450Hz - 3000Hz |
| Equivalent input noise level | ≤29dB + 3dB |
| Product size | 31.4×13.5×17.9 |
| Weight | 5.3g |
