1. Posture Trainer: Our posture corrector is equipped with Intelligent sensors, when you are in a bad posture, it will remind you by vibration. If you use our posture corrector for a long time, you will develop muscle memory. This means that even without a training device, it will still be right on. the future. 2. Adjustable Size: There is a durable adjustable buckle that can be adjusted to fit. a chest circumference of 58.4 andquot 106.7cm. Its size is adjustable, suitable for adults (men and women) and children. Use this concealer to at any time to maintain good posture with your partner. 3. Convenient USB charging with USB charging cable: Usually it can be used without charging. for 15 days (15 minutes per day), and you only need to charge it for about 2 hours. You can take it anywhere. you want to go. 4. Lightweight and fashionable design: The beautiful and lightweight design allows it to be worn anywhere. will at work or in everyday life. We recommend it to people who have humps, shoulder discomfort and shoulder discomfort. height when sitting at the desk. It is also a good choice for your child to maintain good posture and healthy habits. 5. A good gift choice: A universal size posture corrector can be suitable not only for men and women, but also for children. It adapts to the spinal column, helps to restores vertebrae, pulls shoulders back, prevents and improves humps. Continue to Use it as a posture trainer for at least 30 days and you will find that you are in good physical condition. Enjoy a healthy life with your family and friends. Features: Product Name: Posture Corrector intelligent sensor. Product weight: about 85g. Product material: high elastic nylon belt, imported ABS. Capacity Battery capacity: 300 mAh. Charging port: USB. Applicable people: middle-aged children or unisex adults. Product function: stretch and fold Widen chest, improve hunchback, protect eyesight. Package contents: 1 posture corrector. 1 USB cable Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.