Ultrahuman Ring Air Size 08 Space Silver

Track your health with the Ring Air Size 08 in Space Silver, a sleek fitness tracker made from fighter jet grade titanium with a tungsten carbide carbon coating. This lightweight ring (just 2.4-3.6g) connects to your iPhone or Android device via Bluetooth 5.0 and monitors your circadian rhythm, temperature, and sleep patterns using infrared photoplethysmography and medical-grade temperature sensors. The water-resistant design works up to 100 meters deep for 12 hours, while the impressive battery lasts 4-6 days on a single charge. Comes with a 1-year warranty. Model 170125.