If using a Macintosh® computer, additional software is required in order to transfer files.
Connect the device to a computer using the supplied USB cable.
Touch and hold the Status bar (located at the top) then drag to the bottom.
The image depicted below is just an example.
Tap Android System - USB Charging if present, then select Media device (MTP).
Selected when a checkmark is present.
Launch File Explorer or Windows Explorer.
Using the computer keyboard, press Windows+E ( +E) keys.
Alternatively, right-click Start then click Open Windows Explorer or File Explorer.
Using File or Windows Explorer, navigate: TB-8704V > Internal shared storage > Music.
TB-8704V may be listed under the 'Portable Devices' section or under 'This PC'.
If the files are stored on a memory card, navigate: TB-8704V > SD card then choose the location of the files.
Use the computer to copy music and other audio files into the folder.
For any accompanying artwork in JPEG format, rename the art file albumart.jpg and copy into the same folder as the music files.
To further organize files, create a subfolder in the newly created music folder and copy desired music files into it.