Personal Sound Amplifiers Doosl Rechargeable Digital Personal Sound Amplifiers for Seniors, Inner-Ear Sound Amplifiers, 2-Pack with Charging Box (White)
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Doosl RIC personal sound amplifiers for Seniors Rechargeable with Noise Reduction
Personal sound amplifiers work by magnifying sound vibrations entering the ear. Personal sound loss is often treated with personal sound amplifiers, and although they aren't a cure, personal sound amplifiers offer a potentially life-changing improvement to the way you hear.
How to do charger the personal sound amplifiers?
The rechargeable personal sound amplifiers pairs with a new, expertly designed charging case that easily slips into your pocket or handbag. When placed in the charging case, LED lights indicate the battery status of both the personal sound amplifiers and the portable charging case.
What to do when you wear the personal sound amplifiers device?
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.