LG G Watch Quick Start Manual page 23

Exposure to radio frequency (RF) energy
In August 1996, the U.S. Federal Communications Commission
(FCC), with its action in Report and Order FCC 96-326, adopted
an updated safety standard for human exposure to Radio
Frequency (RF) electromagnetic energy emitted by FCC-regulated
transmitters. The design of this product complies with the FCC
guidelines and these international standards. This model can be
found under the Display Grant section of http://transition.fcc.gov/
oet/ea/fccid/ after searching on FCC ID ZNFW100.
US/Canada declarations of conformity
This equipment has been tested and found to comply with the limits
for a class B digital device, pursuant to Part 15 of the FCC rules.
These limits are designed to provide reasonable protection against
harmful interference in a residential installation. This equipment
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