WITHit Band Kit for Fitbit Charge 3 and Charge 4 (2-Pack) Black/Gray/Blue 51572BBR - Best Buy
FITBIT ZIP CHARGE 3 USER MANUAL Pdf Download | ManualsLib
Charge 4 Device lock issue: Unable to Lock it when I take it off from my wrist. I just want it to lock automatically whenever I take it off from my wrist. :
How do I turn off the device lock on Charge 3? - Fitbit Community
Solved: How do i disable the PIN (Device Lock)? - Fitbit Community