Feature: - The ring Color changed with temperature
- The ring of the original color is black
- From black to brown， red， yellow， green， blue， purple，ect.
- Material: Stainless steel ring + Color LCD
- Width:3 mm
- Ring dia.:16mm， 17mm， 18mm， 19mm
- Note : Please kindly state the specified color you like when you place the order. Or we will send the item in random color.
- Great gift for lover， friends
Package Included: 
