Knmb-041.mp4 -

The identifier typically refers to a specific entry in Japanese adult media (AV) catalogs.

If you are looking for technical file metadata (like resolution or codec), most files with this naming convention are encoded in at 720p or 1080p resolution. KNMB-041.mp4

While exact details for this specific code vary across databases, these types of media entries generally feature: The identifier typically refers to a specific entry