Heart Rate Features

The Lily™ device enables you to view wrist-based heart rate data.

Pulse oximeter symbol

Monitors the saturation of oxygen in your blood. Knowing your oxygen saturation can help you determine how your body is adapting to exercise and stress.
NOTE: The pulse oximeter sensor is located on the back of the device.

V02 max. symbol

Displays your current VO2 max., which is an indication of athletic performance and should increase as your level of fitness improves.

Heart rate alert symbol

Alerts you when your heart rate exceeds or drops below a certain number of beats per minute after a period of inactivity.

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