【High Quality Material】 Made of lightweight and durable silicone, soft and skin-friendly, fitting the body's curves for comfortable wear. 【Ergonomic Design】 Silicone neck strap flexibly adjusts to suit different body shapes, comfortable for both children and adults. 【Vibration Reminder】 Uses precise sensing technology to monitor body inclination, vibrating when bending exceeds 25 degrees. 【LCD Display】 Records daily posture errors, providing intuitive feedback on improvement progress. 【Long Battery Life】 3250 mAh high-capacity battery offers 15 days of use after a 4-hour charge. 【Easy Setup】 Long press the power key for 2 seconds to start normal operation, with clear display indicators. 【Continuous Monitoring】 Vibrates when sitting posture exceeds 25 degrees until corrected, recording each reminder. Specifications: Material: Silicone Battery Capacity: 400mAh Charging Time: 4 hours Usage Time: Up to 15 days Posture Detection: 25-degree angle threshold Display: LCD screen Features: Vibration reminder, posture error recording Water Resistance: Not waterproof