Fitbit Charge 4 FB417 Activity Tracker GPS + Heart Rate Replacement Pebble Cosmetic Condition:Grade B - Good 💡 Need help instead

💡 Need help instead

Condition: Used - Pulled

along with Pulse Ox blood oxygen saturation sensing for advanced sleep monitoring

Fits Model: WF-1000XM3 & WF-1000XM4

Fitbit Charge 4 FB417 Activity Tracker GPS + Heart Rate Replacement Pebble Cosmetic Condition:Grade B - Good 💡 Need help insteadFeatures: 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 map 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