Smart Ring – Sleep and Fitness.

  • Wearable Pulse Oximetry
  • Tracks Blood Oxygen Level, Apnea-Hypopnea Index (AHI), and Sleep Stages
  • Continuous Measurement of Steps and Heart Rate Activity
  • Medically Approved for Home Oxygen Monitoring
  • Waterproof Capabilities Let You Exercise While Wearing the Tracker

Tracks Blood Oxygen Level, Apnea-Hypopnea Index (AHI), and Sleep Stages

Using CIRCUL as a sleep tracker ring, you’ll wake up with access information and analytics on your AHI and blood oxygenation levels, which helps you understand how your previous night of sleep went without intravenous blood sampling. These simultaneous measurements can inform you if you’re at risk for having sleep apnea or if your blood oxygen saturation is at an optimal level while you sleep. By monitoring sleep stages, too, you’ll get insight into the quality of your sleep night after night. The CIRCUL ring tracks 4 stages of sleep: Awake, Light Sleep, Deep Sleep, and REM Sleep

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