The so-called "color temperature" refers to: the cup and then into cold water, the mug will change color, such as the original white to blue after the injection of cold water. This cup is suitable for drinking cold drinks, ice beer earthquake in Guests can enjoy a cup while reference color of magic, the new darling of the advertising promotions. In addition, guests can sample processing, the temperature range of -15 degrees to 60 to choose from, welcome home and abroad, foreign trade companies, and advertising gift company calls, the communication advice! ! . (This product has been certified, please do not forward, and upload other websites, but found the consequences, thank you!)