General description The Mug Warmer is a portable USB coffee warmer designed to keep your beverages at the perfect temperature. It heats drinks to 45°C/113°F, ensuring that every drop of coffee, tea, cocoa, or milk retains its best taste. Technical specifications Heating temperature: 45°C/113°F Material: High-quality aluminum alloy and tempered glass Power source: USB Design: Waterproof panel, anti-overheating features Usage Simply place your cup on the heating coaster, plug the USB into a power source, and press the power switch to start warming your drink. Remember to turn off the switch and unplug the power supply after use. Other information