The LCD monitor is broken. After inquiring about the information about the small flat panel, I learned that there was a blue dot in the middle of the screen during use, because the LCD was broken, so I took it to the after-sales service point for maintenance. Small intelligent learning tablet is a small intelligent learning tablet specially designed for learning. It was pre-sold on February 24th, 20021year. The small intelligent learning tablet has the patent of "Youlan" hardware large screen anti-blue light, 12 heavy intelligent eye protection, ranking first in the authoritative evaluation of Chinese Academy of Sciences.