Track your metabolic health from the comfort of your finger with the Ultrahuman Ring smart fitness wearable. This smart ring promises to track your sleep and movement. The M1 glucose monitoring patch helps provide in-depth metabolic tracking and blood glucose levels. Additionally, this wearable has a heart rate sensor, temperature sensor, and motion sensor. In fact, it can monitor sleep stages, heart rate, heart rate variation (HRV), and body temperature. One of the most interesting features of this ring that makes it different from other fitness trackers is the fact that it comes with no screen. You will get all of your notifications on the Ultrahuman app. Finally, the Ultrahuman ring offers up to 6 days of battery life, making it a fitness wearable you can wear for nearly a week.