Smart Rings for Women Men Health Rings with Charging Case, Display Screen, IP68 Waterproof, Fitness Tracker with Heart Rate, Blood Oxygen, Sleep Tracker, Step Tracker (Black, 12#)

Multiple Fitness Tracker: Monitor step count, heart rate, blood oxygen, sleep quality ect. It also tracks multiple sports activities such as walking, running, cycling, hiking, and golf, helping you stay on top of your fitness goals.
Upgraded Smart Ring: With led screen and touch butto you can effortlessly monitor essential data such as time, step count, heart rate, blood oxygen, sleep, and battery.
Monitor from App: Easily connect your smart ring to phone via bluetooth for seamless data tracking and app control. Compatible with Android(5.0+) & iOS(10.0).
Elegant Design: Made of carefully polished from lightweight yet durable stainless steel and resinous, the slim, slick, ring-shaped design is comfortable to wear all day and night.
IP68 Waterproof: The vacuum plating technology is used to ensure uniform and dense coating improve the wear resistance and corrosion resistance of the product; sealing technology it withstands water immersion, making it ideal for daily activities like handwashing, workouts, and even diving or snorkeling.
About blood oxygen: (Normal range: 95%-99%, usually 99), when there is strenuous exercise, such as climbing mountains, after running, or cardiopulmonary dysfunction the blood oxygen concentration may be lower than 99.

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