Amazfit Helio Ring Sizing Kit, Size Before You Buy, Receive Credit for Purchase

Size Before You Buy: Amazfit Helio Ring uses unique sizing. Use the included kit to find your exact fit before placing an order. Available in sizes 8, size 10 and size 12. Get Rewarded: Buy the sizing kit and receive a £10 discount when you purchase the Helio Ring. Perfect fit and savings, all in one smart move. Test Fit for 24 Hours: Wear the sizing ring for at least a full day with the size marking toward your palm to ensure maximum comfort and accuracy. Accurate Fit, Accurate Data: A secure fit means optimal sensor placement, which leads to more precise health and sleep tracking Finger Matters: For best results in sleep and health tracking, wear the ring on your index, middle, or ring finger—whichever feels most natural.