Fitbit has unveiled the third device in the Fitbit Charge family, the Fitbit Charge 3, and the new version adds SpO2 tracking among other health tracking improvements. The device will be available ...

It's never been too complicated to check blood oxygen saturation – sometimes also called blood O2 saturation or just SpO2 levels – on the best Fitbits but it just became much easier thanks to a newly ...

For alternatives to the Fitbit, either due to cost, style, specific features, or a preference for another tech ecosystem, ...