The Fitbit Charge 5 also sports an SpO2 pulse oximeter sensor (also found in the Charge 3, Versa, and Ionic). The sensor helps you understand your sleeping patterns. Meanwhile, a new Restoration ...
Fitbit is an American wearables company, which is headquartered in San Francisco, California. It primarily produces activity trackers and smartwatches. Established in March 2017, the company was ...