Item Type: Electric Mug Warmer_x000D_ Material: PP_x000D_ Plug Specification: US Plug 110V_x000D_ Weight: 142 g / 5.01 oz(approx.) 1Reliable Heating: The mug warmer includes premium heating elements, effective heat collection and insulation, long lasting insulation, and bottom mounted circular heat dissipation design, which can be used for a long time. 2Easy to Operate and Use: All you need to do is put the USB into the socket and start working. It is portable and can be used anywhere. It's very useful. 3Easy Cleaning: The beverage heater on the table is easy to clean, all you need to do is wipe the surface of this USB mug heater with a damp towel. 4Wide Application: Thermal coaster can keep you warm at home and in the office during winter. It is a useful tool in the workplace, home, and other places. 5A Great Present: The mug warmer is the perfect present for special occasion such as Valentine's Day, Thanksgiving, Christmas, and New Year.1 x_x000D_ _x000D_ Electric Mug Warmer 1 x User Manual