Wear the [AXTRO Fit 4](https://www.axtrosports.com/products/axtro-fit-4) fitness tracker snugly on the wrist, at least 1 finger width away from the wrist bone.

Continue to wear the [AXTRO Fit 4](https://www.axtrosports.com/products/axtro-fit-4) fitness tracker as you go about your daily activities. The [AXTRO Fit 4](https://www.axtrosports.com/products/axtro-fit-4) fitness tracker will automatically track steps, heart rate and sleep duration based on changes in body movement.

Make sure the sensor of the [AXTRO Fit 4](https://www.axtrosports.com/products/axtro-fit-4) fitness tracker is in full contact with the skin. Consider wiping off perspiration, if any, from skin that is in contact with the tracker sensor for a better reading.

When not wearing the fitness tracker, place it with the screen facing down to avoid affecting the sensor on the back of the [AXTRO Fit 4 fitness tracker](https://www.axtrosports.com/products/axtro-fit-4).