6
Acute otitis externa, tympanitis, chronic suppurative otitis media (in the period of purulent
infection) and acute suppurative otitis media are not suitable for wearing hearing aids. Patients
who are allergic to this material.
5.
Precautions
The optional hearing aids shall be subject to professional hearing test and fitting, and shall be
used under the professional guidance of doctors or hearing aid fitters.
5.1
Moisture-proof
Any form of moisture has an impact on the hearing aid. Moisture resistance helps to
prolong the service life of the hearing aid, avoid use or storage in a humid environment, and dry
the hearing aid regularly.
5.2
Waterproof
Do not immerse the hearing aid in any liquid. Remove the hearing aid in advance and keep
it properly when swimming, bathing, washing hair, washing face, etc. After swimming or
washing, wait until the ear canal is dry before wearing a hearing aid. In case the hearing aid falls
into the water accidentally, do not dry it in the microwave oven or any dryer. You can dry it with
soft and clean cotton cloth and dry it naturally in a ventilated environment. If there is any fault,
please contact the fitting center where you purchased the hearing aid or directly contact the
customer service center of our company.
5.3
High temperature protection
Hearing aid should be protected from high temperature or prolonged sunlight.
5.4
Fall prevention
Hearing aid is precision electronic devices, which should avoid falling to the ground or
