360p — Mp4(10.29 Mb)

(or similar, depending on aspect ratio). It is low-definition and commonly used for fast streaming or small file sizes.

If you can provide the context of where you saw this, such as: A ? A message from a friend? A download site ? 360p mp4(10.29 MB)

The most common file format for video, compatible with nearly all devices. (or similar, depending on aspect ratio)