LG TONE Free TONE-T60Q Owner's Manual page 7

c Charging
[Wired Charging] With the earbuds mounted to the charging case, connect
the charging cable to the charging case to charge. The earbuds and the
charging case are charged at the same time.
•The UVnano LED operates for 10 minutes when mounted in the charging
case while it is being charged.
CAUTION: Be aware that the temperature of the earbuds may rise while
the UVnano LED is on.
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