Welcome to our store! Keep your coffee at the perfect temperature with our coffee cup warmer. This smart coaster maintains a constant temperature of 55°C, ensuring your coffee stays warm and enjoyable all day long. Our coffee cup warmer not only provides convenience, but it also saves space on your desk. With its compact size, it only takes up a small amount of space in the palm of your hand, keeping your workspace neat and organized. Take this USB light warmer with you wherever you go. It is lightweight and portable, making it ideal for home, office, and even outings. Enjoy a warm cup of coffee wherever you are. Our light warmer has an automatic function for increased safety. It automatically heats your water cup and turns off when it reaches the desired temperature, giving you peace of mind. The panels of our mug warmer are made of tempered glass, which is not only waterproof but also strong, durable, and resilient. Product information: - Item type: Coffee cup warmer - Material: Aluminum alloy, Tempered glass - Input voltage: 5V/2A - Output power: 8 to 10W - Diameter: Approx. 10.3 cm / 4.1 inches Order now and enjoy the convenience of a warm cup of coffee wherever you go. 100% Satisfaction: Our customers are our top priority. If you find any product problems after receiving the item, such as damage and incorrect quantity of goods, please contact the seller immediately. We will do our best to provide you with satisfactory customer service.