The Ultrahuman Ring AIR is a smart ring that tracks your sleep, movement, and recovery trends, nudging you to make healthier choices every day.

It is the lightest smart ring in the world, weighing just 2.4 grams. It is also made with fighter jet-grade robust titanium with a hypoallergenic epoxy resin coating to protect your skin.

The Ultrahuman Ring AIR tracks the following metrics:

– Sleep: The ring tracks your sleep stages (light, deep, REM), sleep duration, and wake time. It also provides a Sleep Index score, which is a measure of the quality of your sleep.

– Movement: The ring tracks your steps, distance traveled, calories burned, and active minutes. It also provides a Movement Index score, which is a measure of your overall activity level.

– Recovery: The ring tracks your heart rate variability (HRV), skin temperature, and resting heart rate. It uses this data to calculate a Recovery Score, which is a measure of how well your body is recovering from exercise.

The Ultrahuman Ring AIR also provides circadian insights, which help you identify the best time of day for exercise, food, and light exposure. It also provides a glucose score, which is a measure of your blood sugar levels.

The Ultrahuman Ring AIR is compatible with the Ultrahuman app, which is available for iOS and Android devices. The app allows you to view your data in real time, set goals, and receive personalized insights.

The Ultrahuman Ring AIR is a great option for people who are looking for a lightweight, comfortable, and stylish way to track their health and fitness. It is also a good option for people who are looking for a ring that provides deep metabolic insights.

Pros: – Lightweight and comfortable – Stylish design – Tracks a variety of metric – Provides circadian insight – Provides glucose score – No monthly subscription fee

Cons: – Battery life is only about 5 day – The app can be a bit buggy – The ring can be a bit expensive