The Ring Air Size 06 Aster Black tracks heart rate sleep steps and skin temperature for users seeking a discreet fitness companion.
Sized for a standard US ring size 6 this Ultrahuman smart ring fits comfortably on the intended finger and is crafted from fighter jet grade titanium with a tungsten carbide carbon coating. The hypoallergenic epoxy resin inner surface supports all-day wear while compatibility with iPhones running iOS 15 or later and Android devices running Android 6 or later ensures broad device support.
Bluetooth v5.0 connectivity enables seamless syncing with the Ultrahuman app allowing you to monitor circadian rhythm temperature-based ovulation prediction caffeine window detection and AFib detection. The battery lasts 4 to 6 days on a full charge and the ring is water resistant up to 100 meters for up to 12 hours.
Model 170104 in black comes with a 1 year manufacturer's warranty.