Product Specification:
Product Features
1. Comfortable adjustment
2. Digital processing chip, ultra-low energy comsumption design, one A675 battery can last up to 600 hours
Item Pictures






Max Sound Output | 129±3 dB | Max Sound Gain: | 38dB ± 5dB |
Harmonic Wave Distortion: | ≤10% | Frequency Range: | 450~3500hz |
Input Noise: | ≤32 dB | Battery: | A675 |
Working Current: | ≤3mA | Type Number: | V-189B |
Product Features
1. Comfortable adjustment
2. Digital processing chip, ultra-low energy comsumption design, one A675 battery can last up to 600 hours
Item Pictures






