Fitbit Charge 4 Fitness and Activity Tracker
- Use the built-in GPS to see your pace and distance on the screen during outdoor runs, walks, hikes and more and view an in-app workout intensity map that shows your heart rate changes along your route
- With Active Zone Minutes, feel a buzz when you hit your target heart rate zones during exercise, and celebrate when you earn extra minutes outside of exercise
- Get a free 90-day trial of Fitbit Premium to help you stay active, sleep well, and manage stress. Unlock everything in the Fitbit app. (A valid payment method is required. Cancel before the free trial ends to avoid subscription fees. Offer valid for new Premium users only.) Operating Temperature: -4°F to 60°C
- Use 24/7 heart rate to track resting heart rate and better measure calorie burn. Pairing with mobile devices requires Bluetooth LE and Internet connection. Syncs with Mac OS X 12.2 and above, iPhone 5S and later, iPad 5 gen. and later, Android 7.0 and later
- View your nightly average SpO2 and range at the wrist, and view trends for the past week in the Fitbit app (SpO2 is not available in all markets. The SpO2 feature is not intended to diagnose or treat any medical condition or for any other medical purpose)
- Track your skin temperature each night to see how it varies from your personal baseline (Not available in all markets. Only available in the Fitbit app and only displays variations. Not for medical purposes)
- Real-time workout tracking with 20+ goal-based exercise modes. It’s also waterproof and waterproof 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 with use and other factors). Track sleep stages and check your sleep score in the app for an easy way to see how well you sleep
