Ultrahuman Ring AIR Health, Sleep & Fitness Smart Ring - 6-Day Battery - Raw Titanium - Size 9

The Ultrahuman Ring Air in Natural Titanium, Size 9 is a lightweight titanium smart ring that tracks sleep, recovery, skin temperature, and movement, with personalized nudges in real time. Up to 6 days of battery. Sleep Index, recovery, women's health, and a stimulant window recommenderNo subscription — lifetime access to your data in the Ultrahuman app. Water-resistant to 330 ftThis description was generated by AI and reviewed for accuracy. | Ultrahuman Ring AIR Health, Sleep & Fitness Smart Ring - 6-Day Battery - Raw Titanium - Size 9