Listener is a brand owned by Shenzhen Yiting Education Technology Co., Ltd., and its main product is listener repeater. The listener repeater is an intelligent sentence-breaking repeater specially designed for language learning. It has the characteristics of intelligent sentence breaking, multilingual learning, wireless Bluetooth connection and TF card insertion. It is suitable for learning English, Japanese, Korean, French, German, Spanish and other global mainstream languages, and is a tool to improve language learning efficiency.