1.Primary school is a good time for children to grow up, and also a critical period to shape good body shape. 2. Multifunctional sitting posture correction myopia prevention pen help your child correct the sitting position while studying hard. 3. Intelligent positive position pen can be monitored by 360 degree distance, sensing a pen slot, the position of the sitting position error can be immediately reduced and unable to write, and the correct posture of the sitting position will automatically pop up and write smoothly,remind your child to adjust the writing posture. 4. A pen have four uses, neutral pen, ballpoint pen, pencil, pen, with a casual collocation to meet different writing requirements. 5. This product does not include a pen core.
