LG ProBeam BU53RG Owner's Manual page 69

18
Playing Sound from a Smart Device through the
projector's Speakers
Connect a smart device to the projector via Bluetooth to play sound from the smart
device through the projector's speakers.
1
Press the button on the remote control and select [Home Dashboard].
2
In the [MOBILE] area, run the [Bluetooth Audio Playback].
3
Turn the smart device's Bluetooth on, then select the projector from the list
of devices.
4
The projector will be connected to the smart device.