Real-time heat: Equipped with precise heat regulation and a digital temperature display, this cup warmer ensures your beverages retain their ideal taste while providing real-time heat, delivering consistent warmth for drinks like coffee or tea during long study sessions or relaxing afternoons without compromising quality or comfort. Efficient heating performance: The coffee cup warmer uses rapid heat conduction to keep your beverage at the perfect temperature, ensuring energy-efficient heating while preserving flavor for extended enjoyment during work or study periods. Universal compatibility: The coffee warmer functions as a home tabletop appliance and is designed to work with a universal USB port, ensuring seamless compatibility with computer batteries for office use; Its compact and portable design allows users to enjoy hot drinks at work or in a comfortable indoor environment while maintaining convenience and efficiency. Overheating Prevention System: The coffee cup warmer is designed with advanced overheating prevention technology to ensure safe long-term use, protecting your drinks from excessive heat while eliminating the risk of burns during daily use at home or in the office. Energy-Saving Chip: The cup warmer incorporates an advanced energy-saving chip that reduces power consumption while maintaining consistent heating performance, extending the product's lifespan and ensuring quiet operation for undisturbed use, making it ideal for homes and offices where efficiency matters.