B_111.mp4

: Tells you the quality and smoothness of the video.

To understand what "b_111.mp4" actually contains without watching it, you can extract its technical summary (metadata). Tools like mp4info can provide a textual report including: b_111.mp4

: Right-click the file, select Properties , and go to the Details tab to add a title, subtitle, or tags. : Tells you the quality and smoothness of the video