Does the subject want to ask "where is the power button of the fast code?" Square buttons at the bottom of the screen. According to the instructions, the power-on button of the Quick Easy Learning Machine is a small square button at the bottom of the middle of the screen, which is similar to the home button of Apple's mobile phone. After the learning machine is fully charged, it can be turned on for 3 seconds. Kuaiyidian is a brand of Shenzhen Kuaiyidian Education Technology Co., Ltd., which is a high-tech enterprise integrating R&D, production and sales. Founded in 2007.