Ergonomic design:Made of food grade silicone material, it is lightweight and durable, soft and skin-friendly, not easy to deform, use high quality and malleable materials to make neck massage fit of U that adapts to the curve of your neck. It does not slip, so there is no burden on your shoulders. Deviation 5-25 intelligent reminder:Built-in high-precision chip can accurately record posture, monitor the change of the tilt angle of the body in real time, and vibrate to remind. The LCD display shows the number of hunchbacks in real time. Automatic memory function:intelligent perception of incorrect posture, real-time monitoring of posture, scientifically and effectively help you correct unhealthy postures such as hunchback. Battery life Capacity up to one week Protect eyesight and reshape curves:Helps to correct poor back and shoulder body posture, improve hunchback, develop body posture correct, protect eyesight and reshape beautiful curves. Widely Used:It is suitable for work, study, walking, reading and other occasions, and you fundamentally helps to solve the problem of posture.