There are various brands of learning machines on the market. The following small series introduces the performance and characteristics of the easy code learning machine. The P2S screen size of Kuaiyi learning machine is 8 inches, the sound is loud enough, it is synchronized with books, games are related to learning, and its functions are complete, including classroom synchronization and teacher guidance. E-code P5 has a screen size of 9.7 inches, and can directly download English books, supporting follow-up, repetition and oral practice. Quick and easy H30S screen size is 9.7 inches, with rich learning content and diverse functions. Support parents' mobile phones to control Internet access, which is very suitable for children to learn and use. Quick and easy intelligent tutor h 17 8 inch screen size, rich content, quick response, detailed teaching resources, hoping to help children improve their English and math scores.