Type: Hearing Amplifier.
Model: ZDC-901A.
Left Ear Side Color: Blue.
Calibration: Automatic.
Max. saturated sound pressure level (OSPL90): 118.
High frequency average(OSPL90): 109.
Full sound gain(1600HZ): 32.
Equivalent input noise: ≤28.
Total harmonic wave distortion: 8%.
Frequency response range: 300-3500.
Power Voltage: 1.4V, +5%-10% relative error.
Note:
1.Keep the ear plug clean.
2.Do not wear on swimming or rainy days.
3.Remove the battery if you don't use it for long time.
Packaged included:
Right Ear Side:
1x Hearing Amplifier
1x Battery
1x Cleaning brush tool
6x Earplugs
1x Screwdriver
1x Plastic Case
Left Ear Side:
1x Hearing Amplifier
1x Battery
1x Cleaning brush tool
6x Earplugs
1x Screwdriver
1x Plastic Case
One Pair:
2x Hearing Amplifier
2x Battery
2x Cleaning brush tool
12x Earplugs
2x Screwdriver
2x Plastic Case