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Measuring oxygen saturation with Biostrap

Wearing a clinical-grade photoplethysmography (PPG) sensor for a month

Nov. 15, 2017 -

Most wearables (smartwatches, fitness trackers, etc.) use very basic sensors to capture heart rate. Their signal is binary: just counting beats. Biostrap is different, instead of just checking pulses, it captures a high-fidelity PPG waveform. These waveforms are the same kind that doctors use, making me wonder what I could learn from them!

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Biostrap on the wrist - now you see me...
Biostrap on the wrist - now you see me...
Biostrap it's pretty much just like a Swatch, light on the wrist because of it's material: rubber and plastic.
Biostrap it's pretty much just like a Swatch, light on the wrist because of it's material: rubber and plastic.
The Biostrap PPG sensor is about as thick as a watch
The Biostrap PPG sensor is about as thick as a watch
Biostrap iOS app dashboard and daily heart rate
Biostrap iOS app dashboard and daily heart rate
Comparing the quality of sleep during two different nights. Being awake more often reduces quality of sleep.
Comparing the quality of sleep during two different nights. Being awake more often reduces quality of sleep.
Charging Biostrap is easy - Battery lasts up to 5 days
Charging Biostrap is easy - Battery lasts up to 5 days

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