product details

Metal material: zinc alloy;

Ring type: Size (inner diameter 20, 21, 22, 23mm)=10/11/12/13 #]

Metal size: refer to the figure below;

Weight: 13g-15g9 (see figure below);

Features: Color changes with temperature, black below 14 degrees Celsius, and discoloration between 14 and 37 degrees Celsius,

One ring can change all colors, and gradually changing color can change more than ten colors, specific personal experience;

Precautions: Firstly, the ring design can withstand a dry temperature range of 0-38 degrees Celsius,

2、 Avoid hot water (as the discoloration interface is a dripping adhesive cover, it can damage the discoloration material when exposed to high temperatures,

At the same time, it will produce Thermal expansion effect, leading to damage of inlet air and water;

3、 Try to avoid collisions and falls as much as possible;