1, Prepare the audio files and sort them on PC.
2, Select all files and do not copy (Important).
3, Move your mouse cursor to the first file, then
copy.
4, Paste files to mp3.
5, Unplug mp3 and go to “Folder” to find your audio
files.
Your audio files should be in correct order, the first
file be pasted is the first file be edited. And you can
also create folders to help you sort your audio books.