9to5google

Fitbit rolls out Charge 4 update with on-device SpO2 level, in-app skin temperature

Fitbit announced the Charge 4 this month last year as its most advanced fitness tracker with built-in GPS and SpO2. Data from the ...
News Medical

Pulse oximeters overestimate blood oxygen levels in patients with darker skin

Fingertip monitors known as pulse oximeters that can be used at home to detect low blood oxygen levels (hypoxaemia) give higher ...
The Hindu

Pulse oximeters: Study demonstrates laboratory tests do not provide conclusive evidence that skin colour does not affect SpO2 measurements

Given that the performance of pulse oximeters (POs) is known to vary with the colour of skin, a team of researchers from the ...