The video typically consists of high-contrast, grainy, or distorted visuals—often featuring humanoid figures or abstract geometric shapes moving in repetitive patterns.

Low resolution, heavy compression artifacts, and frequent use of "inverted" colors.

Much like the famous YouTube channel Unfavorable Semicircle , which uploaded thousands of brief, nonsensical videos, "b386.mp4" is viewed as an exercise in "digital decay" or data-bending.