The player is not compatible with the Content Transfer for Mac software. To transfer music content stored on a Mac computer to the player, you need to install additional software.
An example of additional software is Android File Transfer (Google LLC).
For details, refer to the Transferring content using Mac computer section in the Help Guide.
NOTE: You can transfer music content to the player with the Android File Transfer software. However, Sony does not guarantee all functions. For questions about the Android File Transfer software, please contact the app provider.