• • Sleek durable design and adjustable sizing from small to x-large; NO sizing kit needed just select one of three adjustable sizes small, large or xl.  Works on all fingers. See chart below.
  • Used for Home Oximetry
  • Overnight sleep tracking including Pulse Oximeter SpO2%, HR, ODI and 4 Sleep Stages (Awake, Light, Deep and REM Sleep)
  • Daytime Monitoring of SpO2 and Heart Rate for complete workout: running, hiking or biking
  • Finger temperature
  • Record workouts and sleep; share with your trainer, physician, caregiver or family member
  • Sensor Stabilization Technology (SST)
    • Patented spring loaded medical devices ensure snug fit and sensors are always in place to accurately measure Medical grade metrics.  BodiMetrics circul^TM smart ring product line utilizes this patented technology to deliver both FDA 510(k) cleared blood oxygenation in all skin tones but also in its consumer general wellness rings. No other smart ring can make these claims.

View/Download circul+ Quickstart Guide (PDF)