Ingredients for TRAKK Posture Corrector with Smart Sensor

You can adjust angle by following step, in the off state, long press the left button, then press left/right button to increase/decrease. After adjustment, you just need to wait 5 second, you can turn on and get the angle you set. You will develop muscle memory if you wear our posture reminder for for 1-2 hours per day, you will stay straight in the future.