BodiMetrics™ CIRCUL Sleep & Fitness Ring
* Sleek durable design and adjustable sizing from small to large; NO sizing kit needed just select one of two adjustable sizes small or large.
* Works on all fingers. See chart below.
* Medically cleared for Home Oximetry
* Overnight sleep tracking including SpO2%, HR, AHI% and 4 Sleep Stages (Awake, Light, Deep and REM Sleep)
* Waterproof for complete workout running, swimming, hiking or biking
* Record workouts and sleep; share with your trainer, physician, caregiver or family member