Amazon.com: Fitbit Charge 3 SE Fitness Activity Tracker Graphite/White Silicone, One Size (S and L Bands Included),1 Count (Pack of 1) : Sports & Outdoors
Fitbit Charge 3 receives an update with Charge 4 features - GSMArena.com news
Fitbit Charge 3 Review: Comprehensive Health Tracking
Review: The Updated Fitbit Charge 3 is More of the Same, but Better | WIRED
Charge 3 gets Smart Wake and other features via a firmware update
HOW TO UPDATE FITBIT FIRMWARE AND FITBIT APP? (Versa 3,2 Sense Charge 4,3) (2022) [NEW FEATURES] - YouTube