Usage Tips:Have you ever experienced an interruption of so many times during your daily life your coffee always gets cold? But who has the time to keep reheating it ? Now, with mug warmer, you could drink coffee at your preferred temperature, suitable for home, office.Features- Color: Golden-Material:Aluminum, silicone- Size: 10.00X10.00X0.80cm/3.93X3.93X0.31in -Output Power: 15W-Output Voltage: 5V/3A-Power supply: USB charging-Adopts aluminum, silicone material, the cup warmer will serve you .-Light and elegant appearance, unique and delicate, which is convenient to store.-It keeps your mug warm, can and enjoy your cup of coffee, tea, hot cocoa and other hot beverages.-The power will be turned off automatically after working 8 hours. You can use it with confidence.-Great for use at the office, home, dorm and travel! It will serve you well.Package list: 2 warmer(with USB cable)