Multifunctional Watch Partner Temperature Sense Intelligent Titanium Steel Smart Ring Changing Color Ring

Feature:
-Intelligent temperature ring, put on your fingers, then the temperature can be displayed after 20 seconds; 
-The inner arc of the ring is smooth and comfortable to wear; 
 -Titanium steel material is no rust, no fading, strong hardness, not easy to scratch; 
  
 Specification:
Ring Width:8mm; 
Size(US):7,8,9 (OPTIONAL); 
Ring Diameter(mm) 7:about 17.4mm; 8: about 18.2mm; 9: about 19mm; 
Ring Perimeter(mm ) 7:about 55mm; 8: about 57mm; 9: about 59.8mm; 
Material:Titanium Steel; 
Color:Black, Gold, Rose gold, Sliver (OPTIONAL); 
 
Package Included:
1 x Smart Ring.