LG L52VL Guia Del Usuario página 115

Use only original manufacturer-approved accessories, or accessories
that do not contain any metal. Please only use an approved charging
accessory to charge your LG phone. Improper handling of the
Accessory/Charger Port, as well as the use of an incompatible charger,
may cause damage to your phone and void the warranty.
Only use the approved battery charger. Otherwise, you may cause
serious damage to your phone.
FCC Hearing-Aid Compatibility (HAC) Regulations for
Wireless Devices
On July 10, 2003, the U.S. Federal Communications Commission (FCC)
Report and Order in WT Docket 01-309 modified the exception of wireless
phones under the Hearing Aid Compatibility Act of 1988 (HAC Act) to
require digital wireless phones be compatible with hearing-aids. The intent
of the HAC Act is to ensure reasonable access to telecommunications
services for persons with hearing disabilities.
While some wireless phones are used near some hearing devices (hearing
aids and cochlear implants), users may detect a buzzing, humming, or
whining noise. Some hearing devices are more immune than others to this
interference noise, and phones also vary in the amount of interference they
generate.
The wireless telephone industry has developed a rating system for
wireless phones, to assist hearing device users to find phones that may
be compatible with their hearing devices. Not all phones have been rated.
Phones that are rated have the rating on their box or a label located on the
For Your Safety 114