Track your health and wellness with the Ring Air Size 07 in Aster Black a sleek fitness tracker that fits comfortably on your finger. Made with fighter jet grade titanium and reinforced with tungsten carbide carbon coating this durable ring weighs just 2.4-3.6g while being water resistant up to 100 meters for up to 12 hours. Its advanced sensors track your circadian rhythm sleep patterns and even detect caffeine windows and AFib all while connecting to your iPhone or Android device via Bluetooth 5.0. The battery lasts 4-6 days on a full charge so you can focus on your health without constant recharging. Comes with a 1 Year warranty. Model 170105.