Mug Heater Coffee Mug Cup Warmer Warm Mat Constant Temperature Coaster 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 coffee heater keeps the drink warm all the time. This is the best gift choice for Valentine's Day, Mother's Day, Father's Day, Thanksgiving Day, Christmas New Year or other special occasions. 5. Safe and durable: Our coffee cup heater can slow down the cooling speed of hot drinks. The coffee cup has a large heating area and no groove to limit the cup size. Specification: Model Number: Mug Heater Color: green, blue, pink (optional) Size: 13 * 10 * 2cm/5.12*3.94*0.79inch Panel heating plate: aluminum heating plate Shell material: ABS Power: 16w Temperature: 55 ℃ constant temperature Power supply mode: USB Package Includes: 1 x Mug Heater(Mug not included) Note: Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! Please allow 1-2cm measuring deviation due to manual measurement. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.