Introduction: Introduce the product and its benefits briefly The Smart Electric Cup Heating Coaster Warmer is the perfect solution for cold coffee and tea during the winter. This innovative mug warmer has 3 temperature settings to choose from, allowing you to adjust the temperature to your desired level. Equipped with visual temperature display, it can easily adjust the cup warmer to slow down the cooling speed of your hot beverage and improve your overall beverage experience. It also features an automatic shut off feature, a concave plate design, and one-key operation. This product is simple to use, stylish, and perfect for heating coffee, tea, milk, water, or even your candle wax. Features: 3-Temperature Settings: The coffee mug warmer has three temperature settings, keeping your drinks temperature to 131 or 55 or 149 or 65 or 167 or 75, depending on your preference. The visual temperature display allows you to easily adjust the cup warmer to improve your overall beverage experience. Automatic Shut Off: The safety feature of the coffee mug warmer will shut off automatically after continually working for 8 hours. It also has a manual-off option to end the heating. The screen showing the temperature lights up when the warmer is in use, making it easy to find your drink at night. Concave Plate Design: The heating plate is designed with a concave tray to prevent the cup from slipping or overturning. This product is suitable for most stainless steel cups, mugs, milk boxes, and glass cups, and it is recommended to use a thin-walled, flat, or slightly concave-bottomed mug for the best results. One Key Operation: The mug warmer has a simple one-button operation, making it easy to power on and off and switch between temperature settings. It is perfect for use on a desk, night table, kitchen island, or living room side table. Simplicity and Stylish: The USB coffee mug warmer has a simple appearance and stylish design, making it a perfect gift for any occasion. It comes with gift box packaging, instructions, and exquisite workmanship. Package Includes: The package includes one heating coaster without a cup. Note: Due to different monitor and lighting effects, the actual color of the item may be slightly different from the color shown in the pictures. Please allow 1-3cm error due to manual measurement. (1 inch = 2.54 cm)