1. First, make sure that the projector and Bluetooth speakers are turned on.
2. Open the setup menu of the projector and select the "Connect" or "Bluetooth" option.
3. In Bluetooth settings, turn on Bluetooth and search for speakers. After searching for Bluetooth speakers, click to select the device you want to connect.
4. After the connection is successful, you will usually hear the sound of the speaker.
5. Return to the main interface of the projector and start playing audio or video content. The sound will be played through the connected Bluetooth speaker.
note:
1. Make sure that the projector and Bluetooth speaker have the same Bluetooth version, otherwise the connection may not be successful.
2. In some projector brands, if there is no Bluetooth connection option, different brands of Bluetooth speakers can be used to connect devices.
3. If the connection is unsuccessful, please search again and try to connect.
4. Please ensure that the battery of Bluetooth speaker has enough power, otherwise the connection may be unstable.