If you are looking to create or export a file to meet these exact specs, use these target settings in your video editor: What video format should I use for a 720p MP4? - Facebook
Users often aim for file sizes around or below 100 MB to comply with mobile sharing limits. 720p mp4(94.3 MB)
A 94.3 MB file would represent roughly 2 to 3 minutes of footage. If you are looking to create or export