Features: 1. Wear it for about 10 seconds, sense temperature and display degrees Celsius. Temperature display range: 35-39C 2. High-quality Material: High quality stainless steel, smooth and shiny, and comfortable to wear; it is strong, and durable. High quality, no rust, no deformation. 3. Fashion Design: Mirror glossy. Unique design,high polished,metal texture,simple and luxury. 4. Unique Design: Rounded inner arcs, comfortable to wear, not easy to scratch; Temperature sensitivity number fashion ring jewelry make you cool, match with suitable apparel for different occasion. 5. Perfect Gift: Perfect gift for Daily ,Birthday, Christmas Day, Anniversary Day, to yourself husband,boyfriends, Brothers and lover. Suitable for engagement, wedding, promise, eternity, anniversary, party, working, vacation, gift and prom etc. Notice: 1. Actual color may be slightly different from the image due to different monitor and light effect. Please allow slight deviation due to manual measurement. Specification: Material: stainless steel Band Width: 8mm Size:Inner Diameter Inner Circumference 6:16mm 50.24mm 7:17mm 53.38mm 8:18mm 56.52mm 9:19mm 59.66mm 10:20mm 62.80mm 11:21mm 65.94mm 12:22mm 69.08mm Package List: 1 x ring