Frequency Range: | 200-4200Hz |
Max. output level: | 113 dB ± 3 dB |
Sound amplification: | 40 dB ± 5 dB |
Total Harmonic Wave Distortion: | <= 2% |
Input noise: | ≤ 20dB |
Power supply: | ≤ 3mA |
Battery: | A13 |
Working Time: | 300 hours |
Certifications: | CE,ROHS,ISO13485(Medical CE),Free Sale(CFS) |
Reviews
There are no reviews yet.