Operating environment
• Avoid dusty, damp, or dirty environments. Avoid
magnetic fields. Using the device in these
environments may result in circuit malfunctions.
• Do not use your device during thunderstorms to protect
your device against any danger caused by lightning.
• Ideal operating temperatures are 0 °C to 35 °C. Ideal
storage temperatures are -20 °C to 70 °C.
Extreme heat or cold may damage your device or
accessories.
• Do not expose your device to direct sunlight (such as on
a car dashboard) for prolonged periods.
• To protect your device or accessories from fire or
electrical shock hazards, avoid rain and moisture.
• Keep the device away from sources of heat and fire,
such as a heater, microwave oven, stove, water heater,
radiator, or candle.
• Do not place sharp metal objects, such as pins, near
the earpiece or speaker. The earpiece may attract
these objects and result in injury.
• Stop using your device or applications for a while if the
device is overheated. If skin is exposed to an
overheated device for an extended period, low
temperature burn symptoms, such as red spots and
darker pigmentation, may occur.
• Do not touch the device's antenna. Otherwise,
communication quality may be reduced.
• Do not allow children or pets to bite or suck the device or
accessories. Doing so may result in damage or
explosion.
• Observe local laws and regulations, and respect the
privacy and legal rights of others.