LG TONE Style TONE-NP3C Owner's Manual page 16

Disposal of a battery into fire or a hot oven, or mechanically crushing or
cutting of a battery, may result in an explosion.
Leaving a battery in an extremely high temperature surrounding
environment that can result in an explosion or the leakage of
flammable liquid or gas.
A battery subjected to extremely low air pressure 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.
NOTE
Do not pull the earbud cables with excessive force.
If the product is exposed to excessive sweat, clean the product with
dry cloth.
Keep the earbuds clean.
For your safety, do not wear the product while it is being charged.
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