The exact origin of this recording is undocumented, and it appears to come from a user-uploaded soundboard rather than a film, show or public figure. Its appeal is the everyday Spanish phrase "no sé cuánto", which works as a universal dodge whenever a number is demanded. The clip circulates as a chat and meme reaction audio, passed between friends and dropped into short videos for its shrug-like timing. Short, casual voice snippets like this stay popular because they fit anywhere a spoken reaction beats typing one.