This Heartbeat ring will change color as your mood and temperature change. How cool is that? It works as a couple's ring as well. Made from titanium, this will surely stand the test of time! Grab one now and show your love--and your mood too!
Item Type: RingsShape\pattern: HeartGender: UnisexSurface Width: 6mmFunction: Mood TrackerMaterial: MetalMetals Type: Copper
circumference 49-51（mm） please choose size 16 (size16 and size 6 is same thing)
circumference 52-54（mm） please choose size 17 (size17 and size 7 is same thing)
circumference 55-57（mm） please choose size 18 (size18 and size 8 is same thing)
circumference 58-60（mm） please choose size 19 (size19 and size 9 is same thing)
circumference 61-63（mm） please choose size 20 (size20 and size10 is same thing)）