What is a femme fatale is what type of character?

A femme fatale is a fictional character, typically a woman, who is portrayed as seductive, mysterious, and dangerous. She often uses her charm and beauty to manipulate men for her own gain, and may be involved in criminal or immoral activities. The term "femme fatale" comes from French, meaning "fatal woman" or "deadly woman." This character type is often seen in film noir and other works of crime fiction, and is a classic archetype in literature and popular culture.