Bluetooth latency is caused by signal processing and interference. You can minimize it by adjusting Lip Sync settings, reducing distance, or switching to a wired connection. Optimization Steps: Adjust Sync Settings: Locate the [Audio Delay] or [Lip Sync] option in your playback app (e.g., VLC, YouTube) or source device (e.g., Fire Stick)...
Please see: How to manage locally stored files on the projector
Please see: How to connect your mobile device with the projector via Bluetooth
Please see: How to Cast and Mirror your Mobile Device to the Projector