Posture adjust alert ---For students

When the child write their homework everyday , they need to keep a right sitting position in order to avoid eyes and neck tired .

But most of students can't keep a right sitting position , this will lead to eye disease (short sight ), body back disease , cervical vertebra disease .

As parents , should find a way to remind your child to keep correct position during writing .

This product will alert the child by sound or music, or vibrate when his/her head is lower than a normal height level , perfectly used as a tool to prevent eye disease and help your little child to form a good habit during writing .