Smart correct posture eye protection pen, intelligent to prevent myopia, to correct sitting posture , to prevent crooked hump/hunched over.
The use of 360-degree infrared distance sensor, high-speed smart chip, always capture the child's head and chest to the distance between the pen, fast response, telescopic pen tip to remind the child's writing posture.
Pack of Leads, a variety of automatic pencil, water based pen, ballpoint pens, pens inside the package , suitable for primary school students, middle school students, college students and other young people,as well as the middle-aged and old people who pay attention to eyesight and sitting posture.
Children need to insist using the pen for 1-3 months under the supervision and guidance of adults can correct the writing posture.
the product warranty for 12 months (battery and damage caused by external force is not within the aftersales scope), the battery the product used for is the small general CR927 button batteries, cheap, easy to replace. (With two CR927 button batteries)

Technical Details

Product Details

Package Dimensions
Width : 3.54 inch
Height : 1.38 inch
Length : 8.27 inch

Shipping Weight: 0 ounce (View shipping rates and policies)

ASIN : B073CPVPF7