Yes According to the website information, teachers can play the training at two speeds, and the speed can be adjusted to 0.5x, 1x, 2x, 23x, 4x, 5x, etc. * * There are six two-speed modes. Teacher learning link student terminal is a mobile learning tool launched by Jijiao.com, which includes video course learning, homework submission, topic discussion, online test, classmate exchange, notice announcement, offline learning record synchronization at any time and other functions. Users can learn at any time.