Amazon.com: Pack 3 Silicone Bands for Fitbit Charge 4 / Fitbit Charge 3 / Charge 3 SE Replacement Wristbands for Women Men Small Large(Without Tracker) (Large: for 7.1"-8.7" Wrists, Black+Navy Blue+Slate Grey) :
Fitbit Charge 3 review: great fitness, just enough watch - CNET
Fitbit Charge 3 with a touchscreen and 7 days of battery life goes on sale in October for $150 | VentureBeat
Buy Fitbit Charge 3 Activity Tracker, Graphite/Black at Reliance Digital