1. Open the battery box of the hearing aid and take out the battery.
2. Wipe the surface of the hearing aid and put it into the dryer. Plug it in. At this time, the indicator light will light up. Select the time you need to dry (three hours or six hours). A few minutes after the dryer starts to work, it will enter a constant temperature state, and then it will automatically turn off the power.
3. Generally use it once every three months for three to six hours.
4. Unplug the power plug first, then take out the hearing aid and install the battery to use it normally.