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Amazon.com: Fitbit Charge 4 Special Edition Fitness and Activity Tracker with Built-in GPS, Heart Rate, Sleep & Swim Tracking, Black/Granite Reflective, One Size (S &L Bands Included) (Renewed) : Sports & Outdoors
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Amazon.com: Fitbit Charge 5 Bundle - Advanced Fitbit Fitness Tracker Watch with Heart Rate Monitor, 2 Screen Protectors, Extra Bands, & Cloth - Fit Bit Watches for Women & Men with GPS,
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Fitbit Charge 4 Fitness and Activity Tracker with Built-in GPS, Heart Rate, Sleep and Swim Tracking, Black, One Size (Small and Large Bands Included) - Walmart.com
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