The sound guide tube has water vapor or water droplets. This situation is more common in winter. Due to the low outdoor temperature in winter and the temperature in the human ear canal is relatively high, hot air enters the sound guide tube from the earplug hole, and it will encounter a low temperature sound guide tube. Turning into water vapor or water droplets, over time will also affect the hearing aid hearing effect.
In addition, if you sweat a lot in summer, it is easy to have water vapor or small water drops in it.
Generally encountered this situation, the correct treatment is: find that the sound guide tube has water droplets should be pulled out of the sound guide tube, timely dry or blow dry with a balloon before drying.
It’s better to go to the fitting center where you bought hearing aids at that time, to remove moisture and dry in the store, there are special machines in the store, this is more safe