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USB powered Cup Warmer / Office Tea Coffee Beverage Warmer / Mug Coaster Cup Mat
* 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.
* Light weight and compact size,easy to carry and suitable for most stainless steel cup,feeding bottle,ceramic cup,glass cup,etc.
* Keep your coffee,tea or other hot beverage warm up to 70℃,do not worry about high temperature and high oxidation,safe in use.
Note: Please don't use the recessed bottom cup,mineral water bottles,adiabatic vacuum cups or cups with thick bottom.
It is only used to keep your tea or coffee warm,but not for heating.
Light wood surface
Package include:1 x USB Donut Cup Warmer