Key benefits Automatically helps you correct posture by alerting you when your back flexion angle exceeds 25 degrees. Real time vibration reminders provide immediate feedback, supporting better posture without constant supervision. On screen memory records the number of bad postures per day, making it easy to monitor progress and improve quickly. Strapless design rests on the upper back for comfortable wear under clothing, with a real time gentle vibration reminder to sit or stand straight. How it works An intelligent sensor monitors your back angle and triggers a vibration alert when the angle exceeds 25 degrees. The device automatically delivers a vibration reminder whenever poor posture is detected, prompting immediate correction. The on screen memory function stores daily data on bad postures, helping you track trends and adjust habits over time. The strapless design sits on the upper back and provides a discreet, real time gentle vibration reminder to encourage straight posture. Design and fit Strapless posture corrector that you place on your upper back for a discreet wear experience. Real time gentle vibration reminders help you sit or stand straight without drawing attention. Use scenarios At a desk or home office during typing, reading, or video calls to prevent slouching and support better alignment. During long study sessions or screen time to maintain an upright posture and reduce fatigue. While standing or walking through daily activities to reinforce good posture habits over the course of a day. Specifications highlights Function: intelligent sensor with vibration alarm and on screen memory storage. Posture threshold: monitors and alerts at 25 degrees of back flexion. Design: strapless, upper back placement, with real time gentle vibration reminder.