Back correction belt

Description تصحيح الموقف الذكي الشامل للبالغين والأطفال: تذكير ذكي بالموقف لتحسين الانحناء والقوام بواسطةالاهتزاز. يوفر الدعامة التصحيحية التي تعمل بالذكاء ا الاهتزاز. يوفر الدعامة التصحيحية التي تعمل بالذكاء الاصطناعي تجربة مريحة وفعالة لتحسين الثبات والتقويم. About the Product: 1. Functional details: intelligent correction, scientific "Angle sensing", the straighter immediately vibrates when the hump is bent over 15°, quickly double-click the power button to switch the vibration sound mode. 2. Comfortable material: made of high-quality nylon material, close to the body and breathable, good scalability, comfortable to wear. 3. Advantages: it can adjust the size of the shoulder strap according to the body type. It can be used for both men and women, old and young, expand the shoulder and back, correct plasticity, lift the chest and improve the inclined shoulder. 4. Human nature design: 8 word traction correction, ergonomic design. Designed for people with correct body shape, fit human body curve, more comfortable correction, with product manual. 5. Cultivate good posture: slouching is formed unconsciously in life. It can correct children's bad habits, children's learning partners, children and adults, cultivate body memory, and consciously develop good habits. Size Chart: XS---Chest circumference: 40-60cm/15.7-23.6inch Suit for weight: 15-30KG S---Chest circumference: 60-72cm/23.6-28.3inch Suit for weight: 30-47KG M---Chest circumference: 72-85cm/28.3-33.5inch Suit for weight: 47-63KG L---Chest circumference: 85-95cm/33.5-37.4inch Suit for weight: 63-77KG XL---Chest circumference: 95-110cm/37.4-43.3inch Suit for weight: 75-90KG Vibration description Hold the switch for 1 second to power it on. The unit emits vibration 3 times and start the angle induction and then into standby state. Hold the switch for 1 second to power it off. The unit emits vibration 3 times to power off. Common problems in use 1. If the posture reminder is not sensitive, pls try to tighten the strap, and at the same time, the back should be straight at the time of powered on, and the chest should be deployed as far as possible. 2. If the posture reminder is too sensitive, pls try to loosen the strap. If you encounter abnormal vibrations, pls sit upright, then reboot the reminder. 3. If the reminder can not be switched on, pls charge the posture reminder for 10 minutes, and if there is no reaction, contact us for after-sale service.