J20 is non-programmable instantfitCIC hearing aid. Based on integrated signal processing, J20 can provide your hearing clear and comfortable.
Brand Name： Incensonic
Color： Blue+Red
Material： ABS+Silicone
Size：2cmx1.2cm
Net Weight： 1.3g
Battery： A10
Fitting range<80dB
Certificate : FDA , CE
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.
--Please make sure the pulling line is below, and the volume button/dial is above when you wearing it.--Keep the ear plug clean
--Remove the battery if you don't use it for long time.
