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Fitbit Charge 4 Smart Watch Fitness Activity Tracker Built-in GPS/Heart Rate/Sleep & Swim Tracking Smart Band for Android IOS - AliExpress
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Amazon.com : Fitbit Charge 4 Fitness and Activity Tracker with Built-in GPS, Heart Rate, Sleep & Swim Tracking, Rosewood/Rosewood, One Size (S & L Bands Included) (Renewed) : Sports & Outdoors
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Amazon.com: Fitbit Charge 4 Fitness and Activity Tracker with Built-in GPS, Heart Rate, Sleep & Swim Tracking, Black/Black, One Size (S &L Bands Included) : Sports & Outdoors
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