Features: brand new and high quality Back straightener, for smart posture corrector is equipped with a for smart sensor, which will remind you by vibrating when you are in bad posture. you will develop muscle memory if you wear our posture corrector for a period of for time. Best brace posture corrector,freely set the vibration reminder angle. users can set the angle(range 5-50 degrees) according to age and physical condition. the flash main control chip has a memory function ,count data . Adjustable design,durable adjustable buckle ,it is fits men and women and kids,don'for t hesitate to use this back brace corrector for keeping good posture with your partner. USB charging,lightweight protable, you can carry it wherever you want to go,the posture corrector make it can be worn on your clothes at work or daily life inconspicuously. it is suitable for those who have humpback, sore shoulder, uncomfortable waist caused by long sitting at the desk. it is also a good choice for your children to keep good posture and for health habit. Wonderful gift , it is a good gift idea for your family friend ,they will be happy receive it . Specifications: Material:ABS,PC,Elastic Nylon Strap Package Size:118.57cm/4.533.352.76inches Recommened Weight:15-70kg Note: Please allow 1-2cm errors due to manual measurement. Due to the difference betweeen different monitors,the pic may not reflect the actual color of the item. Package includes: 1 Piece Intelligent Posture Corrector (English Display) 1 x USB Cable 1 x User Manual