Features:
* 100% brand new & high quality
* This well made sound amplifier hearing aid can reduce noice and provides good quality sound.
* It comes in 3 different sizes silicone earplugs to fits most of people.
* Easy and comfortable to wear.
* Anti-shock& anti-drop& moisture proof& high temperature proof.
Specifications:
Max Out : 129 ± 3dB
Max Gain : 38 ± 5dB
Harmonic Dist: 10%
Frequency Range : 450Hz ~ 3500Hz
Equivalent Input Noise : 32 dB
Current: 10mA
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.
Due to the difference between different
monitors, the picture may A difference from the color of the item. Thank you! you!
Package includes:
2 x Hearing Aid
4 x battery
10 x Earplug
(Retail Package is NOT included) 
