Fitbit Charge 5 deal delivers a new Amazon low - 9to5Google
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 Advanced Fitness Tracker with Heart Rate, Swim Tracking & 7 Day Battery: Amazon.co.uk: Sports & Outdoors