Smart Sensor Body Temperature Ring Stainless Steel Classic Wedding Couple Waterproof Temperature Ring Jewelry Gift Free Shipping

description: 1,Ergonomic design, rounded inner arc, comfortable to wear, not easy to scratch; 2,The temperature sensitive ring changes with temperature. It is worn on the finger for 20-30 seconds and a different black number appears in the middle of the ring; 3,Fashion trend, fashion personality; 4,Made of titanium steel, not easy to deform, not easy to rust, smooth and shiny, comfortable to wear. specification: Material: titanium steel Size: 6/7/8/9/10/11/12/13 Ring size: US size 6 (diameter): 16.4 mm / 0.65 inches (approx.) US size 7 (diameter): 17.3 mm / 0.68 inches (about) US size 8 (diameter): 18.1 mm / 0.71 inch (approx.) US size 9 (diameter): 18.9 mm / 0.74 inches (about) US size 10 (diameter): 19.7 mm / 0.78 inches (about) US size 11 (diameter): 20.5 mm / 0.81 inch (approx.) US size 12 (diameter): 21.3 mm / 0.84 inch (approx.) US size 13 (diameter): 22.1 mm / 0.89 inches (about) Colour: Black description: 1. When the temperature is unstable, multiple temperatures will be displayed. It is recommended to wear more than once. 2. If the colors are different, the green display shall prevail; 3. There are heating and cooling processes, and temperature is also considered to be an environmental change; 4. When the temperature reaches a certain temperature, the temperature sensitive test paper in the ring should show the temperature. If the temperature is not displayed, you can temporarily use the other hand. Package Included: 1 temperature cycle Product type: Unisex rings