Pocket Hearing aid
Max Sound Output: 129±4 dB
Max Sound Gain: 58dB ± 5dB
Harmonic Wave Distortion: f<1000Hz?15%,f?1000Hz?10%
Frequency Range: 450~3500hz
Input Noise: ?30 dB
Battery: 1 x AA battery (included)
Working Voltage: dc1.5V
Working Current: ?4mA
Color: picture color
Item Size: 6.1 x 4.1 x 1.6cm
Package Size: 18 x 9.8 x 3.8cm
Net Weight: 60g
1 x V-99 Hearing aid
4 x Earplug (different sizes)
1 x AA battery
1 x Screwdriver
1 x Carrying Bag
1 x User manual
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.
- Compact and lightweight, thin and amplify the sound is easy to carry .
- For the elderly, poor hearing, people listen to the sound again.
- Tone adjustment ?Allows you to listen to low-volume sounds clearly and comfortably.
- Increase volume gradually to avoid sudden increase in sound.
- Convenient for watching movie, enjoying the drama, attending meeting, or having class, it could help you hear the sound clearly and loudly.