Preparation: Find the music file path in the QQ music of the computer:

Step 1: Apple official website downloads itunes from the computer, installs it and opens it.

Step 2: Connect the device to the computer with a data cable, and itunes will automatically install the driver after recognizing the device.

Step 3: Click the "Music" item in the upper left corner of the interface, select the file to be synchronized in the menu in the upper left corner, and import the data into itunes, as shown in the following figure:

Or drag all the music files directly to the blank space of the itunes interface on the computer. This method also adds music to your itunes library.

Step 4: Find the device icon in the upper left corner of the interface and click Open, then click the "Music" item at the top of the interface, click the "Sync Music" item, select the file to be synchronized, click the "Sync" item at the bottom of the interface, and iTunes will import the music into the device.