Polar Loop keeps track of all your activity – every step, walk, ride and run throughout the day – and shows how it’s good for you. It will reward you when you’ve done enough and motivate you to achieve your daily activity goal. It has 24/7 activity tracking that registers your daily activity at different intensity levels continuously for 24 hours a day, 7 days a week. Plus, it accurately counts your daily calories and steps. Connects to the free Polar Flow web service and app where you can track your progress, get extra motivation and share your achievements with the community. Custom fit bracelet is waterproof for swimming and has rechargeable battery that lasts 5 days in continuous use. Stores 12 days of activity data. Provides accurate heart rate with Polar H6 or H7 Bluetooth Smart heart rate sensor (not included, sold separately).