JYouPro R3 Smart Ring Fitness Tracker Wearable Size 18 (8) Unisex Silver

JYouPro Smart Ring Fitness Tracker Wearable Size 18 (8) Unisex Silver. The box is marked R3 as the model and size 18 which corresponds to a size 8. Lots of great features including heart rate, steps, sleep, oxygen. Open box, never used but has been plugged in to make sure it charges correctly. Stored in a smoke-free environment.