Fitbit Charge 4 Fitness and Activity Tracker with GPS

Sleep Monitor, Activity Tracker, GPS, Notifications, Heart Rate Monitor. Comes with Upgraded Men's Satin Black Metal Wristband! Use built-in GPS to see your pace and distance on screen during outdoor runs, rides, hikes and more and see a workout intensity map in the app that shows your heart rate changes along your favorite route. Multi-day battery lasts up to 7 days and up to 5 hours when using built-in GPS. Track workouts with 20+ goal-based exercise modes. It’s swimproof and water resistant to 50M, so you can track swims. Play your favorite songs and playlists with Spotify app controls on your wrist. Also make secure purchases with Fitbit Pay and get called, text and smartphone app notifications. With Active Zone Minutes, feel a buzz when you reach your target heart rate zones during exercise, and celebrate when you earn extra minutes outside of your exercise goal. Use 24/7 heart rate to track resting heart rate & better measure calorie burn. Track sleep stages & review your in-app Sleep Score for an easy way to see how well you slept. No reasonable offer refused!

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