Likely utilizes H.264 or HEVC codecs for video and AAC for audio.
If this is a legal or security record, check the file's hash (MD5/SHA-256) to ensure it has not been tampered with. b661.mp4
JetBlue flight B661 (JBU61) is a regularly tracked route. The file might contain air traffic control or cockpit footage. Likely utilizes H
"B661" is a high-grade deadbolt series by Schlage . This file could be a clip from a digital video recorder (DVR) monitoring a B661 lock. b661.mp4