Ultrahuman Ring Air Size 11 Aster Black

Track your health around the clock with this Ring Air fitness tracker in sleek Aster Black. Designed for size 11 fingers, this titanium ring connects to both iPhones and Android devices via Bluetooth 5.0. The lightweight design weighs just 2.4-3.6g, while being water resistant up to 100 meters for up to 12 hours, so you can wear it swimming without worry. Its impressive battery lasts 4-6 days on a full charge, giving you continuous tracking of your sleep, temperature, and activity patterns. Comes with a 1 Year warranty. Model 170108.