Max width Video
Video pin that takes up the Max width of the users phone screen.
Why Max Width?
File type: .mp4 or .mov
Max file size: 2 GB or less
Video length: Minimum 4 seconds, maximum 15 minutes
Aspect ratio: Square (1:1) or widescreen (16:9). Note that max-width videos can’t exceed the height of a 1:1 aspect ratio.
Title: Up to 100 characters. If you don’t fill in a title, people will see your Pin description instead.
Description: Up to 500 characters. The first 50–60 characters are most likely to show up in people’s feeds, so put your most important info first.
Link here for specs.