LG TONE Free Owner's Manual page 18

A battery subjected to extremely low air pressure that may result in an
explosion or the leakage of flammable liquid or gas.
Do not carelessly throw away old batteries. It can cause an explosion or fire.
The disposal method may vary by country and region. Dispose of it in an
appropriate manner.
WARNING - UV radiation emitted from this device.
Unintended use of the device, or damage to the housing, may result in
exposure to ultraviolet radiation.
Ultraviolet radiation may cause eye and skin irritation.
Avoid exposing eyes and skin to ultraviolet radiation.
The use of this device is a supplement to and not a substitute for
standard infection control practices; users must continue to follow
all current infection control practices, including those related to the
cleaning and disinfection of environmental surfaces.
KEEP OUT OF THE REACH OF CHILDREN.
Do not disassemble the product and use UV LED component for
purposes other than intended. Ultraviolet light coming from the UV LED
is harmful to your eyes.
NOTE
If the product is exposed to excessive sweat, clean the product.
Keep the earbuds clean.
Wearing earbuds for a long time may cause pain, and if humidity inside
ears continues for a long time, it may cause skin trouble.
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