1.1. Intelligent induction: Our ly upgraded intelligent posture correction strap has the advantages of improving posture, non‑sensing wearing, hunchback monitoring, etc.; built‑in intelligent chip, accurate positioning, hunchback angle monitoring, when the hunchback exceeds 25 degrees, the chip automatically senses, and vibrate to remind; real‑time monitoring of posture, scientific correction of posture, automatic memory function. 2.2. Correct posture: Our intelligent correction belt can fundamentally solve posture problems, exercise back muscles, cultivate the of straightening, and develop muscle memory. It also has the functions of vertebra correction, stretching and chest expansion, improving hunchback, preventing rickets, and protecting eyesight. 3.3. High‑quality material: Made of soft and comfortable food‑grade silicone material, ergonomically designed, fits the human body curve, is not easy to deform and is comfortable to wear. Built‑in 200mah battery, powered by USB, can last for about 7 days when fully charged (wearing 4 hours a day). 4.4. Suitable occasions: The light and breathable correction belt can be worn invisible and can be used by adults and children; it is light and convenient, suitable for various occasions, such as work, study, walking, etc. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-YJL official store