Ultrahuman Ring Air Size 12 Bionic Gold

The Ring Air Size 12 Air Gold tracks heart rate, sleep, steps, and skin temperature for everyday health monitoring.This fitness tracker suits users seeking a lightweight, unobtrusive wearable that fits comfortably on the finger. Its size 12 design is crafted for a snug fit on the index, middle, or ring finger, helping maintain accurate sensor readings throughout daily routines and sleep.Bluetooth v5.0 connectivity syncs data with iPhones running iOS 15 or later and Android devices running Android 6 or later. The ring is water resistant up to 100 metres for up to 12 hours, making it suitable for swimming and showering. Its battery lasts 4 to 6 days on a full charge, reducing the need for frequent recharging. The outer shell is made from fighter jet grade titanium reinforced with tungsten carbide carbon coating, while the inner surface uses medical-grade hypoallergenic epoxy resin for comfort.Model 170119 in gold comes with a 1 year manufacturer's warranty.