In several ways, expensive is reasonable. 800 yuan can't buy IPhone 1 1. Don't shout expensive for a while, and watch it later. The overall design of OK learning machine is a minimalist route of IPhone with advanced "silver gray" color system. The whole fuselage has a frosted touch, so it is not easy to leave fingerprints. Don't worry about polluting the fuselage even if you touch it for a long time. From the outside, this dual-screen learning machine looks like a notebook computer that can be opened and closed up and down. But it may be hard for you to imagine that it is only 10. 1 inch, which is about the size of a middle school Chinese book. It is very portable. The most attractive thing is that the upper screen of the OK learning machine is a high-definition color screen, and the screen brightness can be automatically adjusted with the change of light. Moreover, the distance sensor is built into the upper screen. If the child is too close to the learning machine, the system will automatically remind you to pay attention to eye protection. The lower screen is an ink screen, which is equivalent to Kindle, but smarter than Kindle. Children can write and draw on it. When the child reads the questions on the upper screen, he can answer and take notes with a stylus on the lower screen. The feeling of writing is very similar to that of writing on paper Whether written in Chinese or English, or formulas, you can automatically identify and even calculate the results. Of course, turning the two screens upside down and reading with the ink screen is just like reading the Kindle, which can be said to be a dual-purpose machine. Generally speaking, the dual-screen interaction of OK learning machine, the upper screen is mainly used for browsing and thinking; The next screen mainly mobilizes the operation of both hands to create a healthy, scientific and eye-protecting learning environment for children as much as possible. In general, this OK learning machine has a good face value and strength, and it is a rare exclusive tutor for children to learn. For more details, you can also go to OK Wisdom Education official website Mall and OK learning machine Tmall JD.COM.