Description: Easy to operate:Simple to wear, the switch position is set in the center of the back, When the switch on the back is touched by hand, both adults and children can easily open and use it. Posture Correction Assistant can display posture changes in real time. When the human spine deviates from the correct posture by 5-20 , it will vibrate until the correct posture is restored. Soft Breathable Material: Featuring porous ventilating material, lightweight, soft, breathable and washable, keeping you cool all the time while promoting proper posture. Soft curved-design straps avoid hurting your armpits and keep all day comfort. The posture correction assistant has a built-in high-precision motion sensor chip and an intelligent posture recognition algorithm to accurately capture posture movements in multiple scenes. Intelligent vibration:The posture corrector has an automatic sensing function, and will vibrate to remind you when there is a bad posture, which is convenient for developing good posture habits. Note: Manual measurement, please allow slight errors on size. The colors may exist slight difference due to different screens. Package Including 1 Posture CorrectorSoft Breathable Material: Featuring porous ventilating material, lightweight, soft, breathable and washable, keeping you cool all the time while promoting proper posture. Soft curved-design straps avoid hurting your armpits and keep all day comfort. Posture Correction Assistant can display posture changes in real time. When the human spine deviates from the correct posture by 5-20 , it will vibrate until the correct posture is restored. Easy to operate:Simple to wear, the switch position is set in the center of the back, When the switch on the back is touched by hand, both adults and children can easily open and use it. Intelligent vibration:The posture corrector has an automatic sensing function, and will vibrate to remind you when there is a bad posture, which is convenient for developing good posture habits. The posture correction assistant has a built-in high-precision motion sensor chip and an intelligent posture recognition algorithm to accurately capture posture movements in multiple scenes.