It is divided into the following steps.

1. Connect the speaker to the power supply and turn on the speaker power switch.

2. Find the U disk socket on the speaker and insert the U disk into the USB interface of the speaker.

3. Use the APP that comes with the Changhong Intelligent A1 small speaker, such as "Changhong AI Speaker", etc., to perform U disk music playback operations on your mobile phone, or use the buttons that come with the speaker to operate.

4. In the APP, select the music source as "Local Music", you can view the music files on the USB flash drive, select the song you want to play, and start playing. It should be noted that the format of the USB flash drive should be FAT32 format, otherwise the speaker may not be able to read it.