Highlights Always-on wellness tracking1 Stress Management Score Daily Readiness Score2 Sleep Profile3 Active Zone Minutes Up to 10-day battery life, varies with use & other factors 30 days Fitbit Premium Membership4 Water-resistant to 50M for wear in the shower, pool & beyond Description Do what you love and feel your best with Inspire 3. This little health hack on your wrist helps you stay on top of your stress, fitness and sleep--all you have to do is wear it. Track Health Metrics1 like skin temperature & blood oxygen, plus get daily scores that show how ready you are to work out or how well you're managing stress. Fitbit is part of the Google family.