Bluetooth-connected companion app

Just Breathe develops a passive, hands-free, screen-free oral breathing device for postpartum recovery, using patent-pending dual-nozzle airflow to guide breathing automatically. The device pairs with a Bluetooth companion app that tracks HRV and respiratory rate. The company completed a peer-reviewed single-arm feasibility study with 40 postpartum participants at Women & Infants Hospital, published in JMIR Formative Research, and plans a 120-participant randomized controlled trial. It is a general wellness product, not an FDA-cleared medical device.

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breathwork device developmentclinical feasibility researchhardware prototypingPPG biometric sensing