6 PCS Smart Temperature Ring Stainless Steel Personalized Temperature Display Couple Ring Size: 11(Yellow)

1. Material: stainless steel2. Single diameter: No. 6 is about 16.5 mm No. 7 is about 17.3 mm No. 8 is about 18.2 mm No. 9 is about 18.9 mm No. 10 is about 19.8 mm No. 11 is about 20.7 mm No. 12 is about 21.3 mm No. 13 is about 22.1mm3. Single circumference: No. 6 is about 5.3 cm No. 7 is about 5.6 cm No. 8 is about 5.9 cm No. 9 is about 6.2 cm No. 10 is about 6.5 cm No. 11 is about 6.8 cm No. 12 is about 7.1 cm No. 13 is about 7.1 cm About 7.5 cm4. Weight: about 7 grams/piece5. Applicable gender: both male and female6. Function: body temperature sensor display7. Features: unique shape beautiful and exquisite intelligent temperature sensing versatile personality solid material not easy to wear no color not easy to scratch comfortable to wear8. This product adopts the principle of thermal temperature sensing. Wearing for 10-20 seconds the temperature will be displayed.9. Built-in thermal chip no need for other external assistance (such as charging battery elect