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Do what you love and feel your best with Inspire 3 which helps you stay on top of your stress, fitness and sleep—all you have to do is wear it. Track Health Metrics like skin temperature & blood oxygen, plus get daily scores that show how hard you can exercise today or how well you’re managing stress. Always-on wellness tracking Stress Management Score Up to 10 day battery Active Zone Minutes High/low heart rate notifications Irregular heart rhythm notifications Blood oxygen (SpO2) More insights with Fitbit Premium Do what you love and feel your best with Inspire 3 that helps you stay on top of your stress, fitness and sleep—all you have to do is wear it. Track Health Metrics like skin temperature & blood oxygen, plus get daily scores that show how hard you can exercise today or how well you’re managing stress.