1. Temperature setting: This coffee heater can not only slow down the cooling rate of hot drinks, but also heat cold drinks to a temperature of 120-140 (40-60) and a constant temperature of 55. You can focus on what you are doing. Drinkable beverages ready compatible with you at any time.2. Multiple uses: This coffee cup heater has a wide range of uses. It can heat coffee, milk, water, etc., and keep your beverage at a constant temperature. Note: Boiling liquid is not supported. We design this temperature according to the needs of human health. So don't expect it to heat your drinks like a microwave or kettle.3. Easy to use: just plug in the USB interface, tap the switch and put on your cup. Get it done. Now, the thermos cup can keep your drink warm to the last drop. One-touch button design can turn it on/off.4. Suitable compatible with most cups: the cup warming plate has no grooves, so it can be adapted to most cups, such as glass cups, stainless steel cups, ceramic cups, etc. We recommend using a flat-bottomed cup compatible with better heating effect.5. Winter gift: This coffee warmer is an excellent choice to keep your body warm all day long, and is a good helper compatible with creating a better life. It is also very popular with gifts compatible with birthdays, Christmas and Thanksgiving. Pass your love and care to your family and friends.Type name: Smart heating coasterFeatures: 55C constant temperatureStyle: modern and simplehow to useInsert the USB data cable into the heating plate, connect the computer or charger plug, turn the switch to I, and the indicator light will turn green to start heating. At the same time, it can also be directly connected to a mobile power supply.Widely usedUtensils of any material can be directly heated, such as glass cups, ceramic cups, glass jugs, carton milk, latex milk bottles, etc. It is recommended to use flat-bottomed utensils to speed up the heating speed.Colour: PinkMaterial: ABSSize: 12.5 x 0.9 cmPackage Contents:1 x heating coaster1 x USB data cableOnly the above package content, other products are not included.Note: Light shooting 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.