Shenzhen FEIBOKE Technology Co., Ltd
We are professional supplier of blood pressure monitor,digital themometer,smart products,Hi-TECH product.
Business Type:Manufacturer
Country/Region:China
Ddu Verified
HOT Rank
Model: V99
Max Sound Output: 130±5dB
Max Sound Gain: ≥50dB
Harmonic Wave Distortion: ≤5%
Frequency Range: 300~4000Hz
Input Noise: ≤30dB
Battery: 1 x AAA battery (not included)
Working Voltage: DC 1.5V
Working Current: ≤4mA
Color: Black
Net Weight: 56g
Dimension: 4.1*6.1*1.7cm
Package included:
1*V-99 Hearing aid
4*Earplug (different sizes)
1*User manual
Note:
1.Adjust volume to the minimum before wearing.
2.Choose an earplug of slightly bigger size to avoid whistler.
3.Increase volume gradually to avoid sudden increase in sound.
4.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.
5.Keep the ear plug clean
6.Remove the battery if you don't use it for long time.
Item Specifics | |
Model : | V99 |
Max Sound Output : | 130±5dB |
Max Sound Gain : | ≥50dB |
Harmonic Wave Distortion : | ≤5% |
Frequency Range : | 300-4000Hz |
Input Noise : | ≤30dB |
Battery : | AA battery |
Working Voltage : | DC1.5V |
Working Current : | ≤4mA |
Color : | Black |
