DescriptionThis item is a kids sitting posture protector, which is made of premium material, Safe and comfortable for kids use. The corrector is easy to use, just hanging it to your kids neck, let kids enjoy their learning time.Features-Color:Yellow-Material:Plastic-Size:35.50X7.50X1.70cm/ 13.95X2.95X0.67in -The power supply mode: Direct current (dc) -Power: 3 (W) -Made by materials for safe and durable long time use.-Correct sitting posture is helpful to correct wrong reading and writing posture for our kids and students. -Let the child develop the correct posture,so that they could play a role in the prevention of myopia and hunchback. -Protect Eyesight with Audible Sensor, Develop to Good Habits of Reading and Writing-Easy to install and use, just hanging it to your neck.