Pixel Watch 3 and Pixel Watch 4 users report broken SpO2 and skin temperature tracking after Fitbit firmware version 3.57.1.2.910093395.release. The update reportedly removes sensor permissions, and ...

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.

The Fitbit Charge 5 is a band based fitness tracker with a 1.2 inch color touchscreen display, real-time heart rate monitor, steps, sleep tracking, and calories estimation. It has standalone GPS, ...

The Google Fitbit Air is a screenless fitness tracker with a low profile designed for constant health monitoring. It offers an optical heart rate sensor for 24/7 monitoring, plus red and infrared ...

Fitbit Air offers $99 sleep-first tracking, Pixel Watch 4 pairing, and a cheaper Whoop alternative, but Google’s AI coaching remains unproven. The short version: Pixel Watch 4 is still the better ...