Product DescriptionOptional Type: EU PlugMaterial: Aluminum Alloy + GlassColor BlackGoldSize: Approx. 120 x 120 x 13 mm / 4.7 x 4.7 x 0.6 inchesInput Voltage: 220V Power Supply: 15WInsulation temperature: about 55CCable length: 1.5mPacking List: 1 x Coaster 1 x Instructions1. Easy to use Just plug in the power cord, flip the switch and put on your mug. everything's ready.Now, the thermos can keep your beverages warm to the last drop. One touch button to turn on/off and set temperature.2. Automatically shut down after the first 8 hours of safety. With cup sensing technology, when the cup is lifted, the heating plate goes into sleep mode and turns off after a few minutes without use. Don't worry about forgetting to turn it off.3. Temperature adjustment 18W thermos cup, two-stage temperature adjustment, keep the beverage temperature between 120-140 (40-60). Use thin-walled, flat-bottomed mugs for optimal thermal performance. Coffee cup warmer, suitable for cups of different materials, such as4. Ceramics, metals, high temperature plastics, milk boxes, etc. The compact design cup warmer adopts aluminum alloy design, waterproof and easy-to-clean conductive glass surface, and expansion plug-ins for different scenarios. This compact mug combines style and function. The perfect gift for Thanksgiving, Christmas, Birthday, Valentine's Day and more.5. It is easy to carry, small in size, and does not occupy desktop space. Easy to carry, you can take it with you wherever you go. More convenient and safer to use.Note: This product does not include cups