With Fitbit Charge 4, there are no limits on how far you can reach. A modern, waterproof activity tracker packed with all the new features to give you detailed insights on your workout and body - for example, built-in GPS, Active Zone Minutes, new forms of exercise and sleep tracking. With Fitbit Pay and up to 7 days of battery life, you get more freedom on the go and more motivation to reach your training goals. Top Features:Built-in GPSActive Zone MinutesHeart rate measurement 24/7Light, deep and REM sleep trackingCall, SMS and app notifications Up to 7 days of battery life *** When the phone is nearby Up to 5 hours with GPS; depends on usage and other factorsNew, unique features1. The first activity tracker from Fitbit that contains built-in GPS2. Use built-in GPS to monitor the speed and distance on the screen as you run, hike, cycle or similar.3. Get a detailed overview of your Active Zone Minutes that will help you see if you are working hard enough to achieve your goals.4. New outdoor training option that uses GPS to track your route as you kayak, ski and more.5. After outdoor training, you can see your progress with a map of exercise intensity that shows your heart rate along the route.6. Play your favorite songs and playlists by checking the Spotify app from your wrist.7. Make your everyday life convenient and smart with features like Fitbit Pay - secure payments directly from your wrist.8. Relax and recover with the `Do Not Disturb ‘option which turns off smartphone messages during the day and Sleep Mode which turns them off at night 9. Use heart rate measurement 24/7 to track your resting heart rate and better measure your calorie burn.10. Track all your progress and never miss anything with up to 7 days of battery life. Varies by use and other factors.11. Track real-time workouts with over 20 goal-based training settings - now also with GPS.12. Track sleep stages and assess your Sleep Score in the app so you can keep track of and improve your sleep.13. Waterproof down to 50m depth, so you can swim, swim in the bath, and more.14. Get call, text and app notifications on your wrist. Plus, you can send quick replies to text messages (Android only). Available when the phone is nearby.
