smart coffee mug

Smart coffee mug - drink water without burning your mouth. Built-in intelligent temperature sensor chip, accurate reading. 316 seamless inner liner, upgraded material, healthy and safe, smooth and does not hide dirt. Strict leak-proof design, 360° watertight. The hand strap is soft and portable, and you can easily take it out with a single carry. A cup for dual purposes, unlock double happiness, two ways to drink water, switch at will. This product is suitable for different enterprises and groups as business promotion gifts or promotional gifts.