Activity and sleep tracker for anyone who wants to track their activity 24/7 and get guidance to reach activity goals. Activity Guide helps you stay active all day long Activity Benefit gives feedback about your daily, weekly and monthly activity Displays daily activity, calories burned, steps taken, time of day Free guidance with the Polar Flow app and Polar Flow web service Compatible with Polar H6 and H7 Bluetooth Smart heart rate sensors Waterproof Measures your activity even when swimming (without heart rate) Features Body measurement features - Polar EnergyPointer - Polar OwnCal® - Smart Calories - Heart rate - bpm (when used with compatible heart rate sensor) - Activity features - 24/7 activity tracking - Activity Guide - Steps - Inactivity Alert Polar Flow web service features - Activity zones - Advanced activity analysis - Training diary Polar Flow mobile app features - Sleep duration and quality - Distance measured in activity - Activity zones - Inactivity Alert - Advanced activity analysis - Compatible with iPhone 4S and later, and with selected Android devices including Samsung Galaxy S3 and S4 using Android 4.3 or later - Display texts in English, French, Finnish, German, Italian, and Spanish - Easy data sync to the Polar Flow web service via Bluetooth® Smart Recording features - Memory capacity 12 days of activity data Data transfer - Compatible with PC Windows XP, Windows 7, Windows 8, and later - Compatible with Polar Flow mobile app via Bluetooth Smart - Compatible with Mac OS X 10.6, OS X 10.7, OS X 10.8, and later - Compatible with Polar Flow web service via custom USB cable Watch features - LED display - Display texts in English - Low battery indicator - Rechargeable battery with custom USB cable - Battery life: 5 days in continuous use - Time of day