The Wearing Manner located in the Device page of the mobile app indicates if you are wearing your LifeWatch on your right arm or left arm. You can update your preferred wearing manner on your App:

1. Log into the App and go in the Device page. 
2. Scroll down until you reach “Wearing manner”. 
3. Just click on it to switch from Left to Right and viceversa, depending on the arm your are wearing the LifeWatch on in that moment.