XB 101 Ear Sound Amplifier Hearing Aid

Product Description

• 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.