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 Air offers $99 sleep-first tracking, Pixel Watch 4 pairing, and a cheaper Whoop alternative, but Google’s AI coaching remains unproven.

If you want to get healthy, a fitness tracker can help. At PCMag, we put them through rigorous testing to see which ones are ...