Hearing loss can be classified into mild, moderate, moderately severe, and severe. Hearing loss of different frequencies will manifest differently in different environments. Patients with moderately severe hearing loss will have difficulty communicating in noisy environments.

Reliable communication systems are essential to ensure that every participant can clearly hear the tour guide, regardless of their location in the group or the ambient noise level.

When using self-fitted hearing aids in winter, you will encounter a series of usage problems caused by low outside temperature, dry weather, etc. Therefore, it is very important to know how to use and maintain over-the-counter hearing aids in winter.

Over-the-counter hearing aids require regular cleaning and maintenance to extend the use time of self-fitting hearing aids. During the cleaning process, you can use a dry cloth to wipe the Bluetooth hearing aids, and do not place rechargeable hearing aids in places where dust and dirt are easily accumulated, such as bookcases, bedside tables, etc.