Adjustable Temperature: You can adjust the temperature of coffee mug warmer to 1- 3 according to your needs, so that the coffee warming speed and heat preservation effect is different, the third will more fast. Please use our paired USB charger to maintain the best warm effect.Maintain Optimal Temperature: No matter the drink is super-hot or cold, smart mug warmer for office will keep the temperature of your drink about 131F/ 55C, it is the most appropriate temperature for people.Auto On/Off: Coffee cup warmer for desk has the gravity-induction, so after turn it on, put your mug on the surface of the cup warmer will start to warm. By removing the mug, tea cup warmer will shut off automatically. Besides, it with Drink water reminder.Small and Light: Simple and nifty cup warmer plate will make sipping your hot coffee a more enjoyable experience. It can use ceramics mug, glasses cup, plastic bottles, boxed drinks warm cocoa, coffee, milk , water, beverage, etc. Convenient for your life.Best Gift Choice: Cup warmer for office will be a best gift choice to show your care for your families, lover or friends on Valentine's day, Mother's Day, Father's Day, Thanksgiving, Christmas or other special occasions.Parameters:Voltage: 5V = 2ARated : 10WWire length: 12 m/ 47inColour: white + blackMaterial: ABSSize: 132x118x20mmPackage Contents:1 x Coffee Warmer Plate1 x USB Cord1 x User ManualTIPS:Do not Press the warming surface when it working so as not to hurt.If the weight of the cup is too light, it may not trigger the sensingsystem. In this case, you need to manually press the button.Our product cannot boil water, do not use it as a cooker.Please note we don't come with the coffee cup.The waves on the displaywill keep flashing, if there is nothing onwarm plate when the is turned on.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.