The SMRTMUGG GO Heated Coffee Mug is a modern, round-shaped travel mug made of stainless steel and plastic. It has a 13.5 oz capacity and comes in white color. The mug is equipped with a battery that can be charged using a cable and features insulation suitable for hot beverages. It also includes a cup lid and is designed for all occasions. The SMRTMUGG GO brand offers a smart mug that can keep your coffee warm.