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Amazon.com: Fitbit Charge 2 Heart Rate + Fitness Wristband, Blue, Large (US Version), 1 Count : Sports & Outdoors
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B-Great Ankle Band with Mesh Pouch for Men and Women Compatible with Fitbit Flex 2/Fitbit One/Fitbit Alta/Fitbit Charge 2 3 4/Fitbit Inspire HR 2 Fitness Tracker (Black, Small)
![The Wall Street Journal on Twitter: "A side-by-side comparison of the Fitbit Charge HR, Jawbone Up3 and Apple Watch Sport: http://t.co/2R0Txc55gv http://t.co/oY0XlTW0Hv" / Twitter The Wall Street Journal on Twitter: "A side-by-side comparison of the Fitbit Charge HR, Jawbone Up3 and Apple Watch Sport: http://t.co/2R0Txc55gv http://t.co/oY0XlTW0Hv" / Twitter](https://pbs.twimg.com/media/CD4pe1GXIAAj8_7.jpg)