Compatibility: Our coffee cup heaters are widely used in flat cups and mini coffee makers; A glass cup; Ceramic cup; Metal cup or other material cup. Use a flat or thin-bottomed cup for best heating Fast heating, stable operation: high quality thermal conductive plate has better thermal uniformity; Fast heating speed; Better thermal conductivity. Portable: The heating plate is easy to clean and . Delicate and small, easy to carry around Easy to use: one key start, convenient and fast. The mug heater is equipped with a mechanical start button and a work indicator, which makes it easy to see the working status and suitable for home and office use Gifts: Our exquisite coffee heaters enhance the experience of enjoying coffee. A great gift choice for dad; Mother; Partners; Friends or coffee lovers Voltage: AC110V Plug Type:US Plug,it applies to Canada, India,Mexico, Thailand, the , the Philippines,Taiwan and so on. Colour:Green Material:Plastic + Electronic Components Package Contents: 1 x coffee cup warmer Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.