Introducing our USB Coffee Mug Heater & Mug Set, the ultimate solution to keeping your favorite beverages warm while working or relaxing at your desk. This set includes a sleek coffee mug warmer and a matching 400ml mug, ensuring you can enjoy your hot drinks without worrying about them getting cold. Equipped with a USB interface, this coffee mug heater can be easily connected to your laptop, desktop computer, or any other USB-enabled device for convenient power supply. The auto shut off feature provides added safety and peace of mind, automatically turning off the heater after a certain period of time. Whether you prefer coffee, tea, cocoa, or even just hot water, our coffee warmer is perfect for keeping your beverages at the ideal temperature for longer periods. It's an ideal companion for both home and office use, allowing you to enjoy your drinks comfortably while you work or relax. Available in a vibrant multicolor design, this USB coffee mug heater and mug set adds a touch of style to your workspace or kitchen counter. Say goodbye to cold drinks and hello to warm, delicious beverages with our convenient and stylish coffee mug heater & mug set.