The product is a complete Rosetta Stone Chinese Mandarin language course package, including levels 1 through 5, with the option to add a headset for an immersive learning experience. This CD-based course offers a comprehensive approach to learning Chinese (Mandarin) for academic and educational purposes, compatible with both Windows and Mac operating systems. Developed by the trusted brand Rosetta Stone, this language course is designed to help users achieve proficiency in Mandarin through interactive lessons and exercises.