How To Use 1.Place the mug warmer on a flat surface and plug it in. (Before using the mug warmer, please check whether the supply voltage provided is consistent with the requirements. ) 2.Put a flat and thin bottom cup on the warmer. 3.Touch the switch for about 2 seconds (no need to press hard) to turn on the warmer. 4.Adjust different temperature modes with the touch of a button. 5.Turn off the warmer, also simply touch the switch for about 2 seconds. 6.The warmer will turn off automatically if it works 8 hours continuously without any operation. Tips 1.It is strictly forbidden to immerse the appliance in any liquid,prohibiting any object to heat. 2.Please do not expect this mug warmer as a heater or keep your coffee/water super hot. 3.The warming effect of different materials is different,it works best with a flat bottom ceramic or glass mugs.And the effect will be improved with a cover on. 4.It does not fit for cups with thick bottom or double bottom. 5.Caution the hot surface,do not touch the heating area(tempered glass) when the mug warmer is working or has just been powered off. Do not use the appliance if the surface is broken. 6.During long periods of non use,turn off the power switch and pull out the plug. 7.This product should be placed in places that cannot be reached by children, disabled people and others with no capacity. Package Includs: 1×Mug Warmer Pad 1×Health Ceramic Cup 1×Cup Lid 1×User Manual