Keep drinks and small bowls warm without reheating Prevents coffee, milk, tea or soup from cooling too quickly so you can enjoy beverages at a consistent temperature over time Eliminates repeated microwave or stove trips, saving time and reducing spills Precise temperature monitoring and control Builtin LED display shows the current temperature setting for quick, accurate checks Easy to adjust so you can maintain the ideal warmth for different drinks and foods Wide compatibility with most drinkware Large heating surface fits coffee cups, glass mugs and many plastic containers Designed to accommodate different shapes and sizes so you don't need a specific cup to use it USBpowered for reliable portability Plugs into a computer, power bank or any USBenabled device—no bulky adapter required Use it at your office desk, bedside table, or take it on the road for consistent warmth wherever you are Compact, simple and attractive Small footprint and straightforward controls make it easy to operate and store LED display adds a modern look suitable for desktops and countertops Practical use scenarios Office desk: Keep coffee or tea warm during long work sessions so you don't waste time reheating. Bedside or living room: Maintain warm milk or tea overnight or while you read and relax. Meal table or lunch setup: Use with shallow bowls or mugs to keep soup and other hot dishes at an enjoyable temperature. What it solves Cold drinks or soups that lose heat too quickly Frequent reheating and interruptions to your routine The need to hunt for a specific cup—works with most common drinkware Included functions and operating notes Multipurpose heating surface for beverages and small bowls LED temperature display for easy monitoring and adjustment USB power input for flexible use with common USB power sources Simple to use: place compatible cup or small bowl on the coaster, plug into any USB power source, check the LED display and adjust temperature as needed.