Evaluation of Oxa for Breathing Monitoring

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This paper validates the accuracy of Oxa's respiratory monitoring capabilities, including phase, rate, and tidal volume, compared to a medical-grade device (Quark CPET device from COSMED).

  • Oxa was tested against gold standard spirometry and performed well at different breathing rates, challenging breathing exercises and even during sports. Oxa stayed within +-4% compared to spirometry.
  • Smartwatches only provide average breathing rate, no live breathing signal. Also, especially for slow breathing rates (which is the case at rest, during meditation or during sleep), a widely used smartwatch was tested which estimated the breathing rate in average 2.5 times too high.

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Get the Oxa Sensor and your choice of garment - lounge-wear shirt, bra, or adjustable chest strap. Your purchase includes access to the Oxa app which gives personalized data summaries and insights, as well as access to breathing exercises to teach you how to harness the power of your own breath.