LG T280 User Manual page 16

▶ System Protection Feature
If the system becomes too hot, the system protection feature automatically stops battery recharging
and switches the power mode to Maximum Power Saving or OFF.
The system may not be reactivated until it cools down enough.
■ Before using the headset, check if the volume is too high.
■ Do not use the headset too long.
■ A headphone that has a resistance higher than 20
electromagnetic interference. Therefore, we recommend you to use a
headphone that has a resistance less than 20
can cause
.
Important notice for user 17