Popular advanced automatic Prevent myopia children correct writing posture pen
|Material:||ABS and metal|
|Accessaries:||camel, pen refill, battery and pencil|
|Size: ||pen dia10mm, 140mm lenght|
|Color: ||blue and rose|
|Function:||prevent myopia, prevent hunchback, correct writing and sitting posture.|
Our automaic correct writing posture pen is specially designed for students, it obtains 9 patents in China.It can take the initiative to correct students' writing posture and sitting posture, so if children often use the pen, they can keep the correct pen holding posture easily
In the process of writing, if the posture is not correct, or the distance of eyes and the desktop is too close, the whole electronic eye will convey the information to the central processor, the pen point will be retractedd immediately, then writing can not be gone on.