51Talk Online Education Group engages in the operation of an online education platform in China. The firm's online and mobile education platforms enable students to take live interactive English lessons, on demand. The firm connects its students with a large pool of teachers that it assembled using a shared economy approach and employs student and teacher feedback and data analytics to deliver a personalized learning experience to its students. The company provides English course offerings in Hong Kong, Malaysia, and certain other countries and regions. The company mainly conducts one-on-one online live English courses taught by teachers from the countries and regions outside mainland China, targeting children aged five to 12.