3. BodiMetrics CIRCUL Sleep And Fitness Ring (#83,000)
The CIRCUL is designed to track and record your blood oxygen levels, record your exercise heart rate, steps, and calories burned. You can also track your sleep oxygen saturation, heart rate, and sleep stages, as it alerts you via your CIRCUL mobile app according to the oxygen saturation levels you set for your personal tracking. To keep track of your entire bodily health, you can share your sleep and workout statistics with your partner, trainer, physician, caregiver, or family member.