Firmware update brings SpO2 and skin temperature measurement to Fitbit Charge 4

With the latest firmware update, SpO2 and skin temperature measurements can be carried out on the Fitbit fitness tracker.

SpO2 measurement available thanks to update to Fitbit Charge 4

After Fitbit introduced SpO2 tracking on its latest smartwatches – such as the Versa or the Sense – the function is also available on the fitness tracker thanks to the latest firmware updates.

With the one available yesterday Update the blood oxygen content can be tracked overnight and the average values ​​can be viewed on the watch in the morning. The Fitbit app provides further information such as 7-day statistics. The details are part of a new health metrics dashboard that provides additional details on heart rate variability, RHR and respiratory rate, as well as oxygen saturation levels and skin temperature fluctuations. The latter is also a new feature of Fitbit Charge 4 and is intended to help users better recognize changes in the body.

The Health Metrics Dashboard provides an overview of your 7-day averages for free. Fitbit Premium is required for everything else.

If you want to exchange ideas on the topic, have a look at our group “Sports & fitness at home – smart devices make it possible!”On Facebook. There you will find a huge community that deals with smart topics across the board!


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Lenny Li

I started to play with tech since middle school. Smart phones, laptops and gadgets are all about my life. Besides, I am also a big fan of Star War. May the force be with you!

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