OPERATION: 1.First adjust the harness to the suitable length. 2.Hold the switch for 1 second to power on the reminder, the blue light will light up and it will shake 3 times, which means it is working normally. 3.Keep the right posture until the appliance vibrates 3 times. At the same time, the reminder has recorded your correct posture. 4.When you have a hunchback, the reminder will automatically identify it and then release vibration to remind you to keep your chest straight. NOTE: 1.If you can't turn on the machine , please charge it for 10 minutes first. If there is still no response, you can contact with us, we will give you a satisfied solution. 2.The correction process is not easy, and it takes effect only after persistence. 3.If the posture corrector is not sensitive, you can tighten the harness properly. At the same time, the back should be straight and the chest should be spread as far as possible during initialization. PACKAGING LIST: User manual*1 Posture corrector*1 USB charging cable*1

Long Standby Time: Our back corrector uses a 500mAh polymer lithium battery and can be used for about 15 days after 2 hours charging, it is easy to charge by connecting the USB cable. The switch has an 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. Invisible Design & Comfortable: Nobody knows you wearing it and can hide in clothes. The shoulder strap is made of porous mesh, which fundamentally improves breathability without sultry. 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 people from 15 kg to 95 kg. The position of the switch on the back is convenient and can be opened by yourself. 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. Intelligent Posture Reminder: When the user's back is bent more than 25 degrees, the back reminder will automatically sense and immediately activate the vibration alarm; When your shoulder is bent forward and the tension is abnormal, the sensor will immediately vibrate to remind. Vibration reminder, Scientific correction, Open shoulders and Straight back, this corrector is flexible to protect and help children grow up. Fitter And Healthier: Smart posture corrector can help you to correct bad posture habits and relieve the pain associated with a poor posture, you will be more confident with your head high. The correction has the latest inductive design, it will let you actively adjust the correct posture through vibration reminder, instead of the restraint of the traditional correction strap. We are committed to bringing you and your family a healthier and more scientific life.