Improve Bad Habits, Suitable for All Age Group. Back Straightener Posture Corrector Posture Corrector was designed for all day wearing, the careful design is invisible under clothes, so you can wear it at home, work or hang out, nobody will notice it on you. Durable Soft Elastic Strap The strap uses a high-elastic nylon belt with no pressure on shoulder for better elasticity and more comfort, which is suitable for people from 15 kg to 95 kg. Adjustable Buckle The anti-skid buckle supports length adjustment, universal for adults and children. Two hours a day, 21 days a trial, to change bad habits develop an upright posture. Stretchable Connector The stretchable connector can adjust the straps on both sides so that the strap can be the same length on both sides. Adjust the strap with the buckle to fit you most. Angle Sensing When the smart posture corrector senses that the user's hunchback bends more than 25 degrees, it will immediately trigger the vibrating reminder. Smart reminders take the initiative to form habits. TIPS 1.It is recommended to wear the brace for 2-3 hours a day when you start using it. Increase the wearing time gradually until you feel comfortable wearing it for the whole day. 2.Every time you use it, must reset the correct posture record. 3.If the posture reminder is not sensitive, pls try to tighten the strap, and at the same time, keep your back straight as far as possible. 4.If the posture reminder is too sensitive, pls try to loosen the strap. If it vibrates frequently, you can power off and power on again, keep your back straight and reset your correct posture record. 5.If the reminder can not be switched on, pls charge the posture reminder for 10 minutes.?SCIENTIFIC AND EFFICIENT CORRECTION?After several tests of the Back Straightener, we recommend that users wear the posture corrector for 2 hours per day. 21 days is the period of habit formation, and posture will be significantly improved, 90 days of persistence will enter the period of habit stability. The correction process is not easy, and it takes effect only after persistence. ?COMFORTABLE AND EASY TO US?Our posture corrector use lightweight, soft, porous ventilating materials that keep your skin comfortable. The innovative design is ergonomic and fits the body curve. The shoulder strap is easy to adjust, it is stable and does not loosen. And the strap uses a high-elastic nylon belt for better elasticity and more comfort, which is suitable for people from 15 kg to 95 kg. The position of the switch on the back is convenient and can be opened by yourself. ?LONG STANDBY TIME?Our back corrector use the 500mAh polymer lithium battery and can be used for about 15 days after 2 hours charging, it is easy to charge by connecting USB cable. Switch has indicator light, constant red light means normal charging, constant blue light means full charged normal working. If you can't turn on the reminder, please charge it for 10 minutes first. ?INTELLIGENT POSTURE REMINDER?The back reminder will automatically sense and immediately activate the vibration alarm when the user's back is bent more than 25 degrees the sensor will immediately vibrate to remind when your shoulder is bent forward and the tension is abnormal. Vibration reminder, scientific correction, open shoulders and Straight back, our corrector is flexible to protect and help children grow up. ?HEALTHY AND IMPROVE POSTURE?Based on Ergonomics design, our posture brace for women men helps you develop a straight back and strengthen your shoulders, neck and back, creating good posture, ameliorate the pain in the neck, shoulder, upper back and change the bad habits of slouching.