COLMI R02 Sports Tracking Smart Ring, Multiple Sports Modes, Record time, Steps, Calories, Suitable for Men and Women, Heart Rate, Blood Oxygen, Sleep, with Charging Compartment. (Black, #11)

[Health measurement] Supports 24-hour heart rate monitoring, can measure blood oxygen, sleep, etc., record health data, and generate health analysis reports.[Charging compartment] Equipped with a charging compartment, light and compact, can be carried with you, charge anytime, anywhere, making travel more convenient.[Sports mode] Supports running and other sports modes, records exercise time, steps, calories, etc., to understand your exercise status.[Control photo] After connecting to the mobile phone, it supports controlling the mobile phone to take pictures, and you can easily wave your fingers to leave beautiful moments.[Best After-Sales] Thank you for your trust, we will provide professional after-sales service. If you have any use or quality problems, please feel free to contact us. Accessory list: 1 smart ring, 1 portable charging box, 1 charging cable, 1 instruction manual.