A. This posture corrector is a multi-functional and considerate product. It features a unique combined design, allowing it to be worn discreetly inside clothes without compromising the aesthetic appeal of daily outfits. B. In terms of usage, it is an effective tool for correcting hunchback and improper sitting postures. It can assist users, whether they are growing children or adults, in developing good posture habits. C. With long-term use, it can effectively improve the poor posture of slouching and make the body more upright. Its intelligent design can accurately detect body postures and correct them in a timely manner, providing continuous support for posture improvement. D. This posture corrector is a good choice for those who pursue a healthy and elegant body posture.