MAINTAIN OPTIMAL TEMPERATURE-This mug warmer can turn hot water into warm water,and heat cold water. keep or the liquid temperature to as high as 131Fahrenheit/55Celsius, suitable for tableware: metal, ceramic, enamel, tile, high temperature plastic, glassware etc. Flat bottom cup is better to keep warm. INTELLIGENT AUTO ON&OFF-Thanks to the microgravity technology, this coffee warmer can shut off/on auto. Put mug on automatic heat zone, the cup warmer will work, remove mug the warmer plate will turn to stop heating.( MUG NOT INCLUDED) SAFE AND ENVIRONMENTALLY FRIENDLY-Uniform insulation, fast heat, cup heater can prevent coffee or water leakage, when the power is off, can be placed in the heating zone to prevent the hand, can also be used as a cover to prevent heat Lost. more convenient LONG SERVICE LIFE-coffee cup heaters use heaters with low power consumption, thermal focusing, fast heating. Please don't expect coffee warmer as a heater or keep your coffee super hot. Life of up to one hundred thousand hours. BEST GIFT CHOICE: Keep the beverages (Coffee, Tea, Milk etc) warm whole day, making it a great gift for Friend, family, colleague and all your loved ones , Thanksgiving and Christmas, and other special occasions to express your sincere care. Power: 18W Application: Flat cup heated quickly Care and Cleaning: Wipe Clean Colour:green Material:ABS+Aluminum Alloy Size:114 x 116 x 17mm Package Contents: 1 x USB Cup Coaster Only the above package content, other products are not included. Note: Light 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.