ISSEN is an innovative language learning application that leverages AI technology to provide users with a personalized language learning experience. It adapts in real time based on users' learning styles, interests, and goals, supporting various languages including but not limited to Spanish, English, Japanese, French, and Chinese. The main advantage of the product is its immersive learning experience, which enhances users' language fluency through natural conversations. ISSEN addresses the limitations of traditional language learning methods by breaking the constraints of time and space with AI technology, allowing users to learn anytime, anywhere. Currently, ISSEN offers a subscription service for $29 per month, ideal for those looking to learn languages efficiently.