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AXON V-99 Mini Digital Hearing Aid Sound Amplifier Pocket Hearing Aids Audiphone

€26.37
Free regular international shipping
Specifications:
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       
 
Package included:
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
 
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.
Specifications:
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       
 
Package included:
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
 
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.