Specification: Condition:100 Brand New Item Type: Posture Corrector Material: PP PC High-Strength Elastic Nylon Belt Adjustable strap length, and super elastic, adapt to various body shapes Built-in lithium battery storage function, USB charging method, Battery Specification: 200MHA Dressing Steps: 1. Adjust the strap to a suitable length and wear it well. 2. Press the center of the back to turn on the indicator light. 3. Maintain the correct posture and record the correct posture with the orthosis. 4. The correction belt will vibrate when there is a bad posture. Two hours a day, cultivate a habit of self-supporting Package List: 1 x Posture Corrector Note: 1. If the posture corrector is not sensitive, you can adjust the angle of the strap to make it close to the back 2. If the orthosis is too sensitive, when the user is standing normally, the orthosis is perpendicular to the ground. Ingredients defaultFunction details: Adjustable Upper Back Brace intelligent deviation correction, scientific "angle sensing", 8-shaped design is ergonomic, sensitive to angle, when the hunchback is bent more than 25 degrees, it will vibrate immediately to remind. Comfortable Material: The Upper Back Support Belt is made of high-quality nylon material, which is close-fitting and breathable, with stretch and comfortable wearing. Using high-strength nylon belt, elasticity, more comfortable to wear. Humanized design: Back Posture Reminder 8 word traction correction, ergonomic design. It is specially designed for people with the correct body shape, fits the human body curve, and is more comfortable to correct. The product manual is attached. Adopt anti-slip buckle, easy to adjust, stable and not easy to loosen. Develop posture: Posture Corrector Laziness is formed in life without knowing it. It can correct bad habits of children, children's study partners, children and adults, cultivate physical memory, and consciously develop habits. Pros: Shoulder Back Straightener adjusts the size of the shoulder straps according to body type. The circumference of one side of the shoulder strap is about 60cm at most. It is suitable for children over 5 years old and some adults. It can stretch the shoulder and back, correct the plasticity, lift the chest, and improve the sloping shoulder. Scientifically correct, cultivate physical memory, wear it for 2 hours a day, keep your head up, and improve your temperament.