From the first grade of primary school in 2017, the child corrected her sitting posture,
But as long as you don't stare in person,
The child still writes at close range,
In 2020, children will be short-sighted.
Her big eyes put on glasses,
My daughter-in-law and I have received tons of critical hits!
As a polytechnic man,
It is necessary to develop a standard, universal, intelligent and low-cost sitting posture correction device,
The invention and birth of Xiezhengxia eye protection Zhengzi smart watch
Inventor: Yan Jiahou, founder / CEO of Zhuzheng intelligence