Key Features: Free 1-year Fitbit Premium trial gives you personalised guidance, insights and motivation to help you reach your goals. Earn Active Zone Minutes as you progress toward your weekly 150 minutes of heart-pumping activity. Use 24/7 heart rate to track resting heart rate & better measure calorie burn. Track all-day activity: your steps, distance, hourly activity and calories burned. Enjoy up to 10 days of battery life for daily progress without constant charging. Track your time in light, deep and REM sleep, then get a Sleep Score to better understand your sleep quality each night. Stay inspired from the shower to the pool with this water-resistant tracker. Use 20 exercise modes to track goals like distance, calories burned and more. Stay motivated by connecting with friends, competing in challenges, earning badges and celebrating goal milestones. Get call, text, calendar and smartphone app notifications right on your wrist. Premium: New Premium users only. Free trial may only be activated with device activation. Valid payment method required. Free trial must be activated within 60 days of device activation. Cancel before free trial ends to avoid subscription fees. Content and features may vary by language and are subject to change. Battery: Varies with use and other factors. Notifications: Notifications and app alerts are available on-device when your phone is nearby. Water-resistant: Water-resistant to 50m.