You can mute and unmute all sounds instantly by selecting the button in the top right-hand corner above the game. To adjust the sound settings further:
1) In the bingo room, click the menu icon in the top left-hand corner next to the logo.
2) Click 'Settings'.
3) Click ‘Sounds Options' and adjust accordingly.
If you’re still experiencing issues, check your computer’s audio settings and speakers are functioning correctly according to the manufacturer’s specifications.