1.Versatile 3-in-1 Functionality: This innovative mug combines cooling, warming, and wireless charging in one device. It heats beverages up to 130℉ and cools down to 40℉. The wireless charging pad is compatible with all Qi-enabled devices, making it perfect for your office desk or home setup. 2.Efficient Temperature Control: Enjoy your drinks at the perfect temperature with this mug's efficient heating and cooling capabilities. Whether you need a hot cup of coffee in the morning or a chilled drink in the afternoon, this mug ensures optimal temperature control for your beverages. 3.Fast : Equipped with a 15W fast wireless charger, this mug doubles as a convenient charging pad for your smartphone and other devices. Simply place your phone on the pad to start charging, eliminating the need for tangled cords and keeping your workspace organized. 4.High-Quality Construction: Made from high-purity, food-grade aluminum, the 12oz mug is lightweight and durable. The ergonomic grip ensures comfort during use, and the mug can also be used independently from the base as a regular drinking cup.