H01010175.mp4

The extension indicates it is an MPEG-4 Part 14 container, a highly compatible format that stores video, audio, and sometimes subtitles.

: Is the sound clear, or is it muffled (common if the device was in a pocket during recording)? h01010175.mp4

: Is the resolution standard (e.g., 720p, 1080p) or high-definition? Note the lighting and focus. The extension indicates it is an MPEG-4 Part