2-in-1 cup warmer, cooling mug, thermostat-controlled hot beverage maker, USB-heated coaster warmer for milk tea and coffee

High-quality materials: The thermos is made of environmentally friendly plastics and heating elements. It is well-sealed, heat-resistant, and offers excellent heat transfer. This makes it innovative, safe, and reliable. Easy to use: The portable coaster features a plug-and-play USB connection. Simply press the on/off switch to heat it up and keep your drink warm on cold days. Versatile use: The cup warmer is suitable for most cups, such as glass mugs, stainless steel mugs, and ceramic cups. We recommend using shallow glass or ceramic cups. A lid helps retain heat. Versatile use: The thermos is ideal for on the go, in the office, at home, in hotels, or while traveling. Enjoy delicious milk, coffee, tea, and hot chocolate with this handy little coaster. It's compatible with various cups: whether it's a mug, glass, ceramic cup, stainless steel jug, or milk bottle – it will warm your drinks. This desk coffee warmer makes the perfect gift for family and friends for Christmas, Valentine's Day, Thanksgiving, and birthdays.