Thank you for supporting our product. We apologize for any inconvenience caused by audio and video delay. If you experience synchronization issues, please try the following steps to restore proper playback:

• If the delay occurs with the projector’s built-in speaker:
  Go to Settings > Display & Sound > Sound > Speaker Delay and adjust the audio sync to better match the video.

• If the delay occurs with an external Bluetooth speaker:
  Go to Settings > Display & Sound > Sound > Bluetooth Speaker Delay and make the necessary adjustments.

These settings allow you to fine-tune audio and video synchronization for the best viewing experience.

For additional assistance, please consult the user manual or contact our customer support team.