PRECISE SENSOR TECHNOLOGY - Introducing our Smart Back Support with a vibrating reminder feature. This unique device allows you to adjust your posture and wear it comfortably. When the curvature of your back exceeds 25°, it instantly triggers a gentle vibration alert. The vibration will continue until you straighten your back, providing real-time feedback and encouragement for proper posture. INTELLIGENCE AUTOMATIC MEMORY FUNCTION - Our Smart Back Support is equipped with an intelligent system that can perceive incorrect posture. It continuously monitors your posture and helps you correct unhealthy habits such as hunchback. With its automatic memory function, it adapts to your specific needs and provides personalized support in improving your posture. USB CHARGING&HIGH ENDURANCE - Say goodbye to frequent battery replacements. Our Smart Back Support is designed for convenience and sustainability. With a single charge of approximately 2 hours, it can be used for up to 15 days (15 minutes per day). Simply plug it in using the included USB cable, and it will be ready to assist you in maintaining proper posture.