A. Features: - It is made of high-strength nylon strap and ABS material, which is sturdy and has a relatively long service life. - The posture corrector can help the body maintain correct posture and stability. After wearing it for a period of time, users may form muscle memory and be able to keep a straight posture to some extent even without using it. - Improve posture anytime, anywhere: The back stabilizer is stable and unlikely to slip inside the clothes. It can be used at home, in the office or during leisure time. Users can also train in their own positions during training. - Easy to use: The posture corrector is designed for both men and women. This harness is equipped with two adjustable shoulder straps, so most people can easily use this posture corrector. - This multi-functional posture corrector can be a good gift for children, friends, relatives, lovers and colleagues on festivals such as Children's Day, Thanksgiving Day, Valentine's Day, etc. B. Precautions: - Due to different monitor and light effects, the actual color may vary a little from the picture. - Due to manual measurement, a deviation of 1 - 3 cm is acceptable. C. Material: High-strength nylon strap, ABS D. Battery capacity: 500 mAh E. Charging interface: Universal USB interface F. Suitable for: Children/adults, unisex