Fitbit Charge 4 Fitness and Activity Tracker with Built-in GPS, Heart Rate, Sleep & Swim Tracking, Rosewood/Rosewood, One Size (S &L Bands Included) (Re...

Characteristics

• Use the built-in GPS to see your pace and distance onscreen during outdoor runs, walks, hikes and more and see an in-app workout intensity map that shows changes in your heart rate along your route
• With Active Zone Minutes, feel a buzz when you reach your target heart rate zones during exercise and celebrate when you gain extra minutes outside of exercise
• Use 24/7 heart rate to track resting heart rate and better measure calories burned. Synchronization with mobile devices requires Bluetooth LE and an Internet connection. Syncs with Mac OS X 12.2 and later, iPhone 5S and later, iPad Gen 5. and later, Android 7.0 and later
• See your nightly average and SpO2 range from your wrist, and view trends for the past week in the Fitbit app (SpO2 is not available in all markets. SpO2 is not intended to diagnose or treat a medical problem or for other medical purposes)
• Track your skin temperature each night to see how it varies against your personal benchmark (Not available in all markets. Only available in the Fitbit app and displays variations only. Not intended for medical purposes)
• Track your workouts in real time with over 20 goal-based exercise modes. It's also swim and water resistant up to 50 meters, so you can track swims, wear in the shower and more
• Multi-day battery lasts up to 7 days and up to 5 hours when using built-in GPS (varies by use and other factors). Track sleep stages and review your sleep score in the app to easily see how well you slept