This hearing aid is a good product to help the deaf people or seniors who are hearing loss or impaired.
Product Features:
1. Pocket Hearing aid;
2. Volume control;
3. O-T-M swtich.
| Max Sound Output | 129dB+4dB |
| Max Sound Gain | 55dB±5dB |
| Harmonic Wave Distortion |
f<1000Hz≤15%
f>1000Hz≤4% |
| Frequency Range | 450~3500 Hz |
| Input Noise | ≤30 dB |
| Battery | AA Battery |
| Working Voltage | dc1.5V |
| Working Current | ≤4mA |