Unable to pair

Make sure the device is in pairing mode. Read the user manual of the device.
Keep the wireless speaker as close to the TV as possible.
Trying to pair several devices with the TV at the same time, may not work.

Bluetooth lost connection

Always position the wireless speaker within a range of 5 meters from the TV.

Bluetooth Audio and Video synchronisation

Before you purchase a wireless Bluetooth speaker, inform yourself about its quality of Audio to Video synchronisation, commonly called 'lip sync'. Not all Bluetooth devices perform correctly. Ask your dealer for advice.