FitBit Charge 4 FB417 Black With Band Activity Tracker Used B1259 WORKS GREAT!!! | eBay
Fitbit Charge 4 review: A better fitness tracker without the bulk - CNET
Fitbit Charge 4 Fitness and Activity Tracker with Milanese Silver Band & Charger. Fully tested Fully works FB417 Check out my other cool listings!!! for Sale in Covina, CA - OfferUp