LifeTrak Core C210

The LifeTrak Core C210 automatically tracks your activity, including steps taken, calories burned, and distance traveled. Additionally, it automatically measures sleep duration based on movement and arm position, and heart rate can be measured at the push of a button. The last 7 days and the progress of the last 24 hours can be accessed at any time on the screen. It has a long battery life thanks to a replaceable button battery.