The Fitbit Charge 6, the latest addition to Fitbit's lineup of fitness trackers, has introduced a significant advancement in health monitoring with its built-in blood oxygen saturation (SpO2) feature.

Fitbit is undergoing a major overhaul, and I’ve spent a month with the preview of the newly redesigned app and personal health coach. The app is very AI-centric, which is to be expected in 2025 when ...