Intelligent Sensor The intelligent posture correction tool is equipped with a smart sensor that reminds you by vibration when you have poor posture. It helps you maintain good posture habits and supports the improvement of slouching. Vibration Alarm The posture corrector automatically vibrates to alert you of incorrect posture through real-time monitoring. When it detects forward bending beyond 25 degrees, it activates the vibration alert. USB Charging With normal use (15 minutes per day), it can last up to 15 days on a single charge. Charging time is approximately 2 hours. Ergonomic Design Made with high-quality, flexible materials, the U-shaped neck support fits naturally along the curve of your neck. It stays securely in place without putting pressure on your shoulders. Reliable Choice Helps correct improper back and shoulder alignment, supports improvement of slouching, promotes proper posture, and contributes to overall comfort.