Features: 1. Stainless steel: wear-resistant, no discoloration, anti-scratch. 2. Quick display: Put your finger on for 20 to 30 seconds, the ring will subtly display the temperature number. 3. Comfortable and smooth to wear: suitable for couples, friends and other fashion gifts. 4. Superb craftsmanship: This watch is made with superb craftsmanship and the quality is very good. 5. The perfect gift: This watch is very suitable to wear. It can be given to friends or family members. It is a good gift. Description: It is a stylish, creative and beautiful accessory that can make you looks brighter. Specifications: Material: Stainless steel Style: Europe and America Size:6 ,7 ,8 ,9 ,10 ,11 ,12 ,13 (optional) Package Included: 1 pc * Smart temperature ring Notes: 1. Please allow 0-1 inch error due to manual measurement. Thanks for your understanding. 2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from real object.