Want to keep your coffee/tea warm when running around getting stuff done for the kids or the house. Here is the Mug Warmer that will stop you from having to use the microwave. 

• Keep coffee, tea and other hot beverage warm at 45-50°C
• Rated voltage: 2.5W-5V DC, single on/off switching system, there is the red led light when heating
• Hot metal plate attached to the insulating material to prevent burns
• Powered by USB cable
• Fit for stainless steel or ceramic cups which bottom diameter is less than 7.7cm
• Cup Pad Size: Approx. 4.06 x 3.70 x 0.83inch/10.3 x 9.4 x 2.1cm
• Cable Length: Approx. 36.38inch/92.4cm
• Material: Plastic + aluminum alloy 

• 1 x Coaster