The first method:
1. Insert the SD card into the card reader;
2. Insert the card reader with the SD card into the USB interface of the computer;
3. Wait a few seconds, turn on "My Computer" or "Computer", and the SD card appears in the mobile device.
4. Select all the original downloaded songs and "copy";
5. Open and enter SD, right-click in the blank space, and select "Paste" until the progress bar is finished.
The second method:
1. Connect the devices (mobile phone, P3, P5) that have been inserted into the SD card to the computer through USB cable;
2. Wait a few seconds, turn on "My Computer" or "Computer", and an SD card appears in the mobile device;
3. Select all the original downloaded songs and "copy";
4. Open and enter SD, right-click in the blank, and select "Paste" until the progress bar is finished.