Brand Name: Ola Esporte Model Number: Smartring Certification: ce Certification: FCC Origin: Mainland China High-concerned chemical: None Activity Tracked: Activity Tracker Activity Tracked: Steps Tracker Activity Tracked: Calorie Tracker Waterproof Grade: 5ATM NFC Support: No Metrics measured: Heart Rate Monitor Metrics measured: Blood Pressure Monitor Metrics measured: Sleep Monitor Metrics measured: Blood Oxygen Monitor Display screen: No Product: Smart Ring Smart Ring for Men: birthday gift Smart Ring for Women: wedding gift Healthy Smart Ring: for R09 R06 R02 R03 R06 M1 R3 R2 R4 R5 Rs Sr200 Smart Ring Drop Shipping: Free Shipping Fast Delivery: 7-10 days Choice: yes