-40%
Ear-hook Rechargeable Digital Hearing Sound Amplifier Earphone Noise Reduction
$ 11.61
- Description
- Size Guide
Description
Specifications:Material: ABS
Color: Silver
Max.Sound Output: 120dB
Sound Gain: >= 30dB
Total Harmonic Wave Distortion: <=10%
Frequency Range: 450-4500MHz
Input Noise: <=32dB
Voltage: DC 1.2V
Current: <=2mA
Package Include:
1* Host
1* USB data cable
6* Earplugs
1* Brush
1* Instruction
NOTE:
Adjust volume to the minimum before wearing.
Choose an earplug of slightly bigger size to avoid whistler.
Increase volume gradually to avoid sudden increase in sound.
If you hear a howling, check the ear (silica gel) is appropriate and whether the size of plug is tight, the appropriate choice of earplugs and plugged, make sure no air leakage.
Keep the ear plug clean
Remove the battery if you don't use it for long time.
Note:
The colors may be a little difference for the different monitor display.
On Aug-29-21 at 10:34:09 PDT, seller added the following information:
