Feature: 1. Vibrate Remind: Intelligent posture corrector built in chip, can accurately record the posture and monitor the change of the body inclination angle, and vibrate to remind. 2. Posture Correction: Smart posture trainer with automatic memory function, can intelligently sense incorrect posture, and scientifically and effectively help you correct unhealthy postures. 3. Improve Hunchback: Intelligent posture trainer helps to correct wrong body posture of the back and shoulders, which can improve hunchback, and reshape beautiful curves. 4. Widely Use: Posture training device is suitable for a variety of places, such as work, study, walking, reading, etc., and fundamentally helps you solve postural problems. 5. Soft Silicone: Posture correction device made high quality silicone material, lightweight and durable, soft and skin friendly, not easy to deform, fits the human body curve, and is comfortable to wear. Specification: Item Type: Intelligent Posture Corrector Material: Food Grade Silicone, ABS Rated Input: 5V/1A Charging Time: 2 hours Battery Life: About 1 week (Wear 4 hours a day) Rated Power: 0.4W Battery: Lithium Battery(Included) Battery Capacity: 200mAh. Package List: 1 x Intelligent Posture Corrector1 x Charging Line1 x Manual