Alwayson health tracking readings like resting heart rate, blood oxygen saturation and skin temperature tell you a lot about your health and fitness and how well you're taking care of your body Continuous heart rate monitoring fat burning, cardio or peak performance? Track your heart rate zones in real time to train at exactly the right intensity for your goal Monitor blood oxygen saturation (SpO2) SpO2 indicates how well the body is oxygenated. Low levels can indicate health problems which you can quickly detect with Fitbit Monitoring skin temperature Fluctuations in skin temperature can give early warning of changes inside or outside the body from the onset of a fever to a toowarm bedroom to the start of your period Mindfulness exercises Too much stress? Learn how to manage stress and stay calm with a variety of mindfulness exercises Guided breathing exercises The Relax app is your mindfulness coach on your wrist, guiding you through calming breathing exercises when things get too much Tracking active zone minutes As you train in your target heart rate zones, you accumulate active zone minutes. You'll work harder in the cardio and peak zones, so you'll get double the minutes double the motivation! 20 workout modes + SmartTrack The Inspire 3 offers 20 different workout modes and displays statistics such as pace and calories burned in real time. SmartTrack even automatically records common workout types. So you can forget to start a workout up to 10 days of battery life more than a week's worth of battery life the Inspire 3 won't run out that fast. Battery life depends on usage and other factors.