• 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

View/Download circul+ Quickstart Guide (PDF)