Are you still worried about your child's eyesight damage when writing? If so, our Writing Posture Corrector is carefully prepared for you. It can effectively prevent and hunchback problems. A good helper for children to correct their postures. Vibration reminder function, real-time attention to children's sitting posture, correct bad sitting posture. Features -Color:Red -Material:ABS, Silicone -Size:16.00X13.00X13.00cm/6.29X5.11X5.11in -Rated Input:5V/1A -Charging Time:2h -Battery Capacity:200mAh -Charging Interface:Type-C -The posture corrector sensor can monitor kids sitting posture all the time, and cultivate children's correct sitting posture. -Sitting Posture Corrector is suitable for both girls and boys, can effectively protect their eyes. -Scientific hanging neck design, large space for arm movement, no pressure to write without hindrance, reject bad posture caused by hunchback. -This posture corrector can effectively help your kids form the right standing posture. -This product can be given as a great your friends and families. They will be very happy. Package list: 1 x Posture Corrector Sensor