POBOVi Gen 2 Titanium Smart Ring for Women & Men, Sleep & Heart Rate Tracker, No Subscription, Size Before You Buy (Rosegold, 10) Matte Rose gold 10（Inside diameter 19.9mm）
POBOVi Gen 2 Titanium Smart Ring would be perfect for fitness enthusiasts or health-conscious individuals looking for an affordable and discreet solution to monitor sleep and heart rate with a stylish design.
