Fitbit retailer Charge 4 Fitness and Activity Tracker with Built-in GPS, Heart Rate, Slee

Product Name: Fitbit retailer Charge 4 Fitness and Activity Tracker with Built-in GPS, Heart Rate, Slee
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 route 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 exercise Get a 90-day free trial of retailer the Fitbit Premium to help you stay active, sleep well and manage stress. Unlock it all in the Fitbit app. (Valid payment method required. Cancel before free trial ends to avoid subscription fees. Offer valid for new Premium users only).Operating temperature: -20° to 60° C Use 24/7 heart rate to track resting heart rate & better measure calorie burn. Syncing to mobile devices requires Bluetooth LE and internet connection. Syncs with Mac OS X 12.2 and up, iPhone 5S and later, iPad 5 gen. and later, Android 7.0 and later See your SpO2 nightly average and range on wrist, and view trends over the past week in the.