1. Features: - It is made of high - strength nylon strap and high - quality ABS material, which is sturdy and durable with a long service life. - Our posture corrector can ensure the body maintains the correct posture and stability. If you wear our posture corrector for a period of time, you will form muscle memory, which means you can keep a straight posture even without using the posture corrector. - Improve your posture anytime, anywhere: The back stabilizer is very stable and will not slip inside the clothes. It can be used at home, in the office or during leisure time. You can also train in your own position when training. - Easy to use: The posture corrector is designed for both men and women. This harness is equipped with two adjustable shoulder straps, so everyone can easily use this healthy posture corrector. - This multi - functional posture corrector is the perfect gift for children, friends, relatives, lovers and colleagues on festivals such as Children's Day, Thanksgiving Day, Valentine's Day, etc. 2. Precautions: - Due to different monitor and light effects, the actual color may vary slightly from the picture. - Due to manual measurement, a deviation of 1 - 3 cm is allowed. 3. Material: High - strength nylon strap, ABS 4. Battery capacity: 500 mAh 5. Charging interface: Universal USB interface 6. Suitable for: Children/adults, unisex