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"
Fitbit Charge, Charge HR and Surge unveiled: Hands-on with Fitbit's new wearables - CNET
Fitbit Charge 4 Review 2020: Easy to Use Fitness Tracker With a Ton of Features | SELF