Apple Watch can play music through Bluetooth connection. The specific operation method is as follows.

Tools/Materials: iPhone12, iOS5.5, Apple Watch, Rapoo VM300 Bluetooth headset

1. Press the Apple Watch button to return to the home screen application interface.

2. Next, open the “Settings” application on the home screen.

3. Then click on the "Bluetooth" option in the watch's settings list.

4. Then you will see that the watch is currently searching for available Bluetooth devices around you. At this time, turn on the Bluetooth headset to pairing mode.

5. As shown in the picture below, a Bluetooth headset is found here, click to pair it.

6. When the pairing is successful, you will see the message "Connected", as shown in the picture.

7. Open the music app on the home screen of the watch.

8. Then select whether the source of the current music is iPhone or Apple Watch.

9. Finally find the music and click play.