Come and see our amazing products. Our electric mug warmer can slow down the cooling speed of hot beverage; You can choose the temperature by touching the "Tempering Button" keeps the liquid temperature to 3-Temperature Settings. This cup warmer with an auto shut off function after working 4 hours. After turning off the coffee warmer, the blue light flashes for a while to remind you that the heating plate is still hot. use a thin-walled, flat, or slightly concave-bottomed mug for the best results. This coffee cup warmer suitable for tableware, stainless steel cup, mug, milk box, glass cup, etc.With high-tech materials make the coffee warmer heat-resistant and fire-resistant. Pls confirm with us about the packing info, stock color and exact production time before placing your order