【Product Size】 3.5 CM X 5CM [How to maintain] ●Because some of the accessories are made of metal, please put them in a sealed bag when you are not wearing them. Avoid contact with sunlight and air for more durability. ● If the surface is dirty, it can be lightly rubbed with water. 【note】 Due to the color difference of the computer, each product will have some slight color difference. Goods are sent from Hong Kong, and overseas friends please be patient!