| Electric Coffee Mug Heating Coaster Constant Temperature Milk Hot Plate Portable Coffee Cup Heater Lightweight for Holiday Gifts Feature: 1. Constant temperature: the coffee heater with heating insulation board can maintain a constant temperature all day long. So you can enjoy the perfect taste at any time. Enjoy hot coffee, tea, drinks, etc. at any time. 2. Scope of application: suitable for most flat bottomed cups, metal, enamel, ceramics, glassware, boxed milk, high-temperature plastic cups, etc. 3. Portable: The coffee heating plate keeps your coffee warm all day long, safe and energy-saving, lightweight, portable, convenient to carry, and won't take up too much space. 4. Good gift: The | |