Made of food grade silicone material, it is lightweight and durable, soft and easy to deform, fits the curve of the human body and is comfortable to wear. Built-in high-precision chip can accurately record posture, monitor body tilt angle change in real time, and vibrate to remind. Auto memory function can intelligently sense incorrect posture, monitor posture in real time, and scientifically and effectively help you correct unhealthy postures such as hunchback. Helps correct wrong body posture of back and shoulders, improve hunchback, develop correct body posture, protect eyesight and reshape beautiful curves. It is suitable for a variety of occasions, such as work, study, walking, reading, etc., and fundamentally help you solve postural problems.