Smart Ring Sleep Fitness Tracker,Records Sleep, Heart Rate
Smart Ring Sleep Fitness Tracker,Records Sleep, Heart Rate, Temperature, Blood Oxygen and Pedometer,Health Ring with Charging Case 【HEALTH TRACKING】—The smart fitness tracker ring monitors your heart rate, blood oxygen, skin surface temperature, sleep quality, step count, and calories at any time. Stay informed about your health effortlessly.Comes with a portable charging case. 【SLEEK AND COMFORTABLE】—Combining elegant design with durable materials,...