Amazon.com: Fitbit Charge 6 Fitness Tracker with Google apps, Heart Rate on Exercise Equipment, 6-Months Premium Membership Included, GPS, Health Tools and More, Obsidian/Black, One Size (S & L Bands Included) :
Fitbit Charge HR activity tracker review - The Gadgeteer
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Fitbit Charge HR activity tracker review - The Gadgeteer
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RIP Charge 2 (2017 -2021) - after a short bike ride and now no heart rate tracking 3 weeks later. Note: Photo is not flipped. : r/fitbit