Biostrap on my wrist

Long term oxygen saturation monitoring

Nov. 15, 2017 - Willem L. Middelkoop

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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Charging Biostrap is easy - Battery lasts up to 5 days

Unboxing Biostrap: it comes well packed in a nice box.

The box contains three straps, charging cable, charger and two sensors

Biostrap iOS app dashboard and daily heart rate

On the bottom you can see the two red LED's and the PPG sensor. Just like the Swatch Sistem51 movement this is hidden when worn on wrist

The Biostrap PPG sensor is about as thick as a watch

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Data Design Experiment Lifestyle Heart Review Sensors Sport Watch

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