How does WeChat collect money and broadcast voice with Bluetooth speaker?

Prerequisites: Have a Bluetooth speaker and a mobile phone to collect money. The setup steps are as follows:

1. First turn on the power switch of the stereo, and then turn on "Bluetooth" in the phone setting interface, as shown in the red box below;

2. Enter the Bluetooth interface and click "Scan" below to scan the new Bluetooth device, as shown in the red box below;

3. Scan the newly opened Bluetooth speaker and click the device connection, as shown in the red box below;

4. Connecting, it takes time, please wait patiently, as shown in the red box below;

5. After the connection is successful, click the wheel icon on the right side of the device to set it, as shown in the red box below;

6. Enter the setting interface, and turn on the checkmarks behind "Mobile Audio" and "Media Audio", as shown in the red box below. After setting, you can play mobile phone voice through Bluetooth speaker;

7. Then open the "New Message Reminder" on the mobile phone WeChat, as shown in the red box below;

8. Turn on "Sound", as shown in the red box below, and the sound of WeChat receipt can be played from the speaker.