Ultrahuman Ring AIR Smart Ring with Health, Sleep & Fitness - 6-Day Battery - Aster Black - Size 7

The Ultrahuman Ring Air in Aster Black, Size 7 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 Smart Ring with Health, Sleep & Fitness - 6-Day Battery - Aster Black - Size 7