1.[ Vibration Reminder ]: Our smart back protector has a vibration reminder function. This unique device allows you to adjust your posture and wear it comfortably. When the curvature of your back exceeds 25°, it will immediately trigger a gentle vibration reminder. The vibrations will continue until you straighten your back, providing real-time feedback and encouragement for proper posture. 2.[ Precise Sensor Technology ]: The Smart Corrector for Hunchback Has A Vibration Reminder, Precise Sensor Technology, When Front Extension Bend Angle Is Abnormal, Vibration Reminder Instantly. 3.[ 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 uny habits such as hunchback. With its automatic memory function, it adapts to your specific needs and provides personalized support in improving your posture. 4.[ Memory Storage On Screen ]: Smart Back Support With The Screen Storage Function, You Can Check The Number Of Bad Sitting Postures Per Day For Better Monitoring And Correction, And Correct Your Posture Quickly And Effectively. 5.[ USB Charging ]: Full charge in about 2 hours, long lasting and more durable, say goodbye to frequent battery replacement. Our smart back brace is designed for convenience and sustainability. Simply plug it in using the included USB cable and it will assist you in maintaining the correct posture. 6.[ Ergonomic Design ]: Smart Back Support Breaks The Traditional Posture Correction Belt Shape, Is Convenient To Put On And Take Off And Has No Wearing Feeling. The Use Of Food-Grade Silicone Does Not Have To Worry About Skin Cuts And Is Very Comfortable To Wear.