Description:_x000D_ This cup warmer mat is made of high quality walnut wood and metal materials, heating evenly, safe and durable to use, has natural walnut wooden grain and smooth to touch. It powered by any devices with output 5V USB port, such as your computer, desktop, laptop, tablet, mobile power and so on, easy and convenient. Great for use at home and office, keeping you brew warm on cold days._x000D_ _x000D_ Features:_x000D_ _x000D_ Made of high quality walnut wood and metal materials, heating evenly, safe and durable to use. _x000D_ Powered by any devices with output 5V USB port, such as your computer, desktop, laptop, tablet, mobile power and so on, easy and convenient. _x000D_ Light weight and compact size, easy to carry and suitable for most stainless steel cup, feeding bottle, ceramic cup, glass cup, etc. _x000D_ Keep your coffee, tea or other hot beverage warm up to 80, do not worry about high temperature and high oxidation, safe in use. _x000D_ Great for use at home and office, keeping you brew warm on cold days. _x000D_ _x000D_ Specification:_x000D_ Condition: 99.99% Brand _x000D_ Main Material: Wood + Metal_x000D_ _x000D_ Type: Bright Wooden Grain, Dark Wooden Grain (Optional) _x000D_ Power: 5W_x000D_ Voltage: 5V_x000D_ Electric Current: 1000mA_x000D_ _x000D_ Max Working Temperature: 80 _x000D_ Wooden Grain Width: Approx. 16mm / 0.62inch _x000D_ Metal Plate Diameter: Approx. 75mm / 2.95inch_x000D_ Whole Diameter: Approx. 103mm / 4.05inch_x000D_ Weight: Approx. 108-109g_x000D_ _x000D_ Package Included:_x000D_ 1 x Cup Warmer with USB Cable(Cups are Not Included)_x000D_ _x000D_ Note:_x000D_ _x000D_ Please don't use the recessed bottom cup, mineral water bottles, adiabatic vacuum cups or cups with thick bottom. _x000D_ It is only used to keep your tea or coffee warm, but not for heating. _x000D_ Please allow slight deviation for the color and measurement. Thanks for your understanding. _x000D_ Due to the material, the color and texture of the product may be slightly different. Please buy with caution. 1Made of high quality walnut wood and metal materials, heating evenly, safe and durable to use. 2Powered by any devices with output 5V USB port, such as your computer, desktop, laptop, tablet, mobile power and so on, easy and convenient. 3Light weight and compact size, easy to carry and suitable for most stainless steel cup, feeding bottle, ceramic cup, glass cup, etc. 4Keep your coffee, tea or other hot beverage warm up to 80, do not worry about high temperature and high oxidation, safe in use. 5Great for use at home and office, keeping you brew warm on cold days.