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Upload/download files
The operation for this player is just like other USB storage device, you can copy file to related file folder, or to rename it for the sake of better understanding of song title during playing or recording.
when a file is deleting
when a file is writing 
when a file is reading
After the machine has connected with a PC, choose the files that you want to copy and drag it to the removable device folder (mp3 player). The saved files will play according to their file names. If you want to change their order of playing, please change their file names (Please refer to next page)
Remarks: During the process of uploading/downloading files, WRITE/RD will be shown on the screen. If you unplug the cable at this time, it may cause errors to the files.
Naming of files
When no files LCD display as:
For large amount of music/voice/recorded files, users may define the file names according to their own preference.