LG TONE-FP9W Manual Del Propietário página 13

UVnano
NOTE: The UVnano LED indicator turns blue when on.
Independent tests show case kills 99.9% of bacteria on speaker mesh
of earbuds in 5 min while charging. Function works only when case
connected to power.
In the case of a white product, discoloring may occur in the contact area
of the UVnano LED, but it does not affect the product function.
CAUTION: Be aware that the temperature of the earbuds may rise
!
while the UVnano LED is on.
The charging case has a built-in UVnano
LED, which allows you to sanitize your
earbuds' speaker mesh.
The UVnano LED operates for 5 minutes
when mounted in the charging case while
it is being charged via a wired connection.
*UVnano is a compound word derived from
the words UV and its unit, nanometer.
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