Long-lasting power storage, charging, 500mAh high-capacity battery, charging 1 hour available 15 days Intelligent real-time monitoring of body posture, intelligent vibration induction alert Intelligent vibration alert, anti-scoliosis, scoliosis tips abnormal, immediate vibration alert A light click to the posture experience, up, correct the hunchback, improve the temperament Tension induction, forward bending tension abnormalities, the sensor immediately vibrate to remind Name: intelligent orthopedic belt Size: average size about: (40-180 kg) Charging output interface: Android 5V interface Built-in battery specifications: 500mAh Working voltage: 3.7V Rated power: 0.2W Charging time: 1 hour Crowd: male / female / old universal Note: 1. Please use comfortable strength to tight while wearing. 2. Please unfasten the belt for about 10 minutes every 2 hours using. 3. Please hand wash, do not bleach, wring and dry naturally. Straighten your back anytime, anywhere, shape the correct posture, and enhance your overall temperament.Our back support fully fits your back, providing strong back support, straightening your back and increg your confidence,. Tension induction, forward bending tension abnormalities, the sensor immediately vibrate to remind. A light click to the posture experience, up, correct the hunchback, improve the temperament. Intelligent vibration alert, anti-scoliosis, scoliosis tips abnormal, immediate vibration alert. Intelligent real-time monitoring of body posture, intelligent vibration induction alert. Long-lasting power storage, charging, 500mAh high-capacity battery, charging 1 hour available 15 days.