The new STREAM 2 is compatible with the Apple iTunes .M4A audio format and no conversion is needed. Simply drag& drop.

STREMA MP3 player with iTunes- How do I convert music or it is not playing music (or tries to play from Bluetooth)?

This is a common issue with Mac and Apple users. The issue is due to the fact that your music is likely Apple proprietary (.m4a) format. You will need to export all Apple iTunes music into MP3 format inside iTunes and only then transfer the files to STREAM player memory. 

There are few simple steps that you need to take to convert music to .MP3 format: