AOMIAO Smart Ring This Is a Waterproof Tracking Fitness Ring and a Fashionable Accessory, Suitable for Both Men and Women.

Please be sure to measure your fingers accurately before purchasing.

Guide for Measuring Finger Size

1.Wrap a non-elastic string or paper strip around the finger.

2.Hold it snugly (not too tight), mark the meeting point.

3.Measure the marked length when laid flat (circumference).

4.Measure multiple times for accuracy, then select a size from the chart.

[SMART RING] Comforniture smart ring health tracker checks exercise time, distance, calories burned and sleep quality via APP. Can control phone to take photos after connection. Thickness of women's ring is 2.5mm, thinner than before. Long battery life up to 2-4 days. IP68 waterproof, suitable for daily handwashing, rain, and short-term shallow water activities.