The Invisible Smart Posture Corrector is lightweight, soft, and skin-friendly, not easily deformed, and fits the natural contours of the human body. Built-in high-precision chip accurately records posture and monitors body tilt angle in real time, with vibration alerts to remind users. Features automatic memory function and intelligent detection of incorrect posture for real-time monitoring, helping to correct unhealthy postures such as slouching. Helps improve back and shoulder alignment, supports better posture, and promotes overall body awareness. Suitable for use during various activities such as work, study, walking, and reading, providing consistent support for posture correction. Made from food-grade materials, it is safe, soft, and comfortable to wear. The design conforms to the human body shape for extended wearing comfort. Product dimensions (cm): 18.5 x 14.5 x 2 Rated input: 5V/1A Working time: Battery lasts approximately 1 week with 4 hours of daily use Rated power: 0.4W Battery capacity: 200mAh / 3.7V Package includes: Posture corrector * 1, manual * 1, USB charging cable * 1 Note: Due to differences in lighting and screen settings, the item's color may vary slightly from the images. Slight dimensional variations may occur due to manual measurement.