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Compare All Fitbit Fitness and Activity Trackers Befor You Buy One
Twitter 上的 Fitbit Support:"@KatherineCory Thanks for trying that too. Apparently, we don't have that comparison table but we found one from online which is from one of our partner retailers - Harvery
Fitbit Charge 4 Advanced Fitness Tracker W/ Built-in GPS, Fitbit Pay, 24/7 Heart Rate Tracking, Sleep Score, 7 Days Battery - US Model (Black & Blue S/L Bands Included) Storm Blue
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