Smart Electric Warmer for Coffee, Tea, Soup, etc...

Keeps Your Drinks Hot All Day Introducing the Smart Electric Warmer - the perfect solution for keeping your coffee, tea, or soup at a constant temperature throughout the day.  With its USB power supply and simple switch button, this portable warmer is compatible with most tumblers, metal, glassware, milk cartons, and plastic cups. Made with durable ABS material and an aluminum heating plate, it's safe to use and can slow down the cooling speed of hot drinks. Say goodbye to lukewarm beverages and hello to perfectly warm sips with the Smart Electric Warmer. FEATURES: USB Power Supply: Place a cup with water on the aluminum plate, short press the switch button, the indicator light will light blue, start heating, keep the temperature at 55°, and short press again to turn off. Constant Temperature: Plug in and use, it can maintain a constant temperature throughout the day.  Scope of Application: Compatible with most tumblers, metal, glassware, milk cartons, plastic cups and more. P