Linglong is an AI note-taking assistant that supports users in recording information anytime with voice AI and saving it in rich text format. It also features an AI tagging capability that automatically generates titles, facilitating dialogue with the user's knowledge base. Additionally, Linglong employs a unique AI card box note-taking method that allows users to continually record and present knowledge naturally. The product supports multi-platform synchronization, including Android, iOS, and Web versions, catering to diverse user needs.