A. 1. Adjust settings: Lower the brightness and turn off features like heart rate monitoring or notifications that you don't need. 2. Update the firmware: Check for any firmware updates for the watch that may improve battery performance. 3. Charge properly: Ensure you are using the correct charger and charging method as specified in the user manual.

B. 4. Limit app usage: Reduce the frequency of syncing and using the app to conserve battery life.