Watch · Fitbit

Fitbit Charge 5

Understanding the Fitbit Charge 5 Tracker The Fitbit Charge 5 represented a major hardware evolution for Fitbit's popular fitness tracker lineup. Introducing a bright color AMOLED touchscreen, onboard GPS, EDA (electrodermal activity) stress sensors, and an ECG app housed in a sleek stainless steel and glass enclosure, it bridged the gap between a lightweight activity band and a full featured smartwatch. Model number FB421 defined this generation, offering a refined aesthetic compared to its plastic bodied predecessors. However, packing high end sensor arrays, a vibrant illuminated display, a…