This product specially uses a touch switch design.Touch the ball to immediately turn on the heating.The cup warmer can select the appropriate temperature in the temperature range of 45°C to 75°C.Click the symbols on both sides of the display screen to adjust to the appropriate temperature.The cup warmer also has a smart temperature control design.The 8-hour automatic power-off protection prevents users from forgetting to turn off the power.In addition,the heating film can convert electrical energy into heat energy quickly and supply heat energy to the surface of the product.The flat surface design can be perfectly suitable for various cups.