128kbps M4a(3.89 Mb) <OFFICIAL × HONEST REVIEW>

This is an MPEG-4 audio file. It typically uses AAC (Advanced Audio Coding) compression, which is more efficient than the older MP3 format. An m4a file at 128kbps often sounds better than an MP3 at the same bitrate.

Your file is approximately 4 minutes and 9 seconds long. Why Use This Specific Format? 128kbps m4a(3.89 MB)

This is the total "weight" of the file on your hard drive. How the Math Works This is an MPEG-4 audio file