Phonak Bolero M Series, User Manual

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The rechargeable hearing aids contain lithium-ion batteries
that can be taken onto airplanes as carry-on luggage.
Your hearing aids operate between 2.4 GHz -2.48 GHz frequency
range. When flying please check if flight operator requires
devices to be switched into flight mode, see chapter 13.
The intended use of hearing aids is to amplify and transmit
sound to the ears and hereby compensate for impaired hearing.
The hearing aids (specially programmed for each hearing loss)
must only be used by the intended person. They should not be
used by any other person as they could damage hearing.
Changes or modifications to the hearing aid that were not
explicitly approved by Sonova AG are not permitted. Such
changes may damage your ear or the hearing aid.
Do not use the hearing aids and charger in explosive areas
(mines or industrial areas with danger of explosions, oxygen
rich environments or areas where flammable anesthetics are
handled) or where electronic equipment is prohibited.
23.1 Hazard warnings