Fitbit Charge 4 Fitness Tracker - Rosewood (Pre-Owned)
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With Fitbit Charge 4, there’s no limit to how far you can go. This sleek, swimproof tracker is packed with features that help you know your workouts and your body better—like built-in GPS, Active Zone Minutes, SpO2, exercise modes and sleep tracking. Plus, with Fitbit Pay™ and up to 7-day battery, you get more convenience on the go and more inspiration to reach your fitness goals.1
BUILT-IN GPS - During outdoor runs, rides, hikes and more, use built-in GPS to see your pace and distance on Charge 4, then see a mapy of your workout in the Fitbit app.
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.
24/7 HEART RATE - Use 24/7 heart rate to track resting heart rate, better measure calorie burn and optimize your workouts.
LONG BATTERY LIFE - With a battery life of up to 7 days--and up to 5 hours when continuously using GPS--Fitbit Charge 4 lets you do more with less charging. (Varies with use and other factors)
GOAL BASED EXERCISE MODES - Go into exercise mode during your favorite workouts to set a goal for each workout and see real-time progress of your effort on screen.
SLEEP STAGES & SLEEP SCORE - Charge 4 tracks your time in light, deep and REM sleep stages and gives you a nightly Sleep Score in the Fitbit app, so you can quickly understand your sleep quality and work toward better rest.
SWIMPROOF - Designed water resistant to 50M, Fitbit Charge 4 automatically tracks swim workouts and can be worn in the shower, pool and beyond.
OXYGEN SATURATION (SPO2) MONITORING - See your SpO2 nightly average and range on wrist, and view trends over the past week in the Fitbit app.2
SKIN TEMPERATURE VARIATION - Track your skin temperature each night to see how it varies from your personal baseline. View your nightly average and trends over the past week in the Health Metrics dashboard.3
NOTIFICATIONS & APPS - Stay connected with call, calendar and smartphone app alerts, text notifications and convenient apps like weather and timer. Plus, send quick replies, Android only. Available when phone is nearby.
SPOTIFY - With the Spotify app, you can control your music, like songs and browse recent playlists & podcasts all from your wrist. Spotify Premium subscription required; not available in all countries.
FITBIT PAY - Load your favorite credit and debit cards to your Wallet in the Fitbit app, then use your Charge 4 to tap and pay for purchases on the go--at transit stations, your favorite stores and more.
1 Battery life varies with use and other factors; up to 5 hours with continuous GPS.
2 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.
3 Skin temperature variation is not available in all markets. Skin temperature is only available in the Fitbit app and only displays variation. The Health Metrics dashboard and the metrics displayed in the dashboard are not available in all countries. Not intended for medical purposes.