LingoTheory is a product designed to help users learn languages using intelligent technology. It features real-time feedback that corrects users' mistakes in grammar, vocabulary, and pronunciation immediately. Users can freely communicate with intelligent tutoring in their native language, and the system will assist them in learning their target language. The product utilizes a natural conversational approach, simulating conversations with friends, allowing users to learn languages in a relaxed environment. Additionally, LingoTheory encourages daily learning, employing scientifically verified methods and progress tracking to help users rapidly improve their language proficiency.