Features 1.QUICK HEATING: This coffee heating pad quickly heats coffee, beverages, milk, tea and hot chocolate up to 55C, allowing you to enjoy a warm drink quickly. 2.AUTOMATIC POWER OFF FUNCTION: For safety consideration, the cup heating pad is equipped with an automatic power off function, which will automatically turn off the heating function when the temperature reaches the set value, avoiding overheating and saving power. 3.WHITE COLLAR OFFICE STUDENT USE: Designed for white collar office and student population, it provides warmth for busy work and study, so that you can enjoy a warm drink at any time and refresh your mind. 4.FOR OFFICE WORKERS AND STUDENTS: Designed for office workers and students crowd, it provides warmth for busy work and study, allowing you to enjoy a warm drink at any time to refresh your mind. 5.USB PORT USE: The heated coaster can be directly connected to a computer, mobile power supply or other USB devices through the USB port, easy to carry and use, no need for an additional power outlet. Specification Item Type: Electric Mug Warmer Material: ABS Weight: Approx. 98g / 3.5oz Input Voltage: 5V2A Power: 10W Heating Diameter: 8cm / 3.1in Constant Temperature: 55C Product Size: Approx. 126x126mm / 5.0x5.0in Package List 1 x Electric Mug Warmer 1 x USB Data Cable 1 x Instruction Manual