LG KB775 User Manual page 3

Part 15 Class B Compliance
This device and its accessories comply with part15 of FCC rules.
Operation is subject to the following two conditions:
(1) This device & its accessories may not cause harmful interference.
(2) This device & its accessories must accept any interference received,
including interference that may cause undesired operation.
Body-worn Operation
This device has been tested for typical body-worn operations
with the distance of 0.79inches (2.0cm) from the user's body.
To comply with FCC RF exposure requirements, a minimum separation distance
of 0.79inches(2.0cm) must be maintained from the user's body.
Additionally, Belt clips, holsters & other body-worn accessories may not contain
metallic components.