Coffee Mug Warmer USB Coffee Mug Warmer Coaster Electric Cup Heater Wood Grain Milk Tea Beverage Heating Plate for Office/Home Use

❄ 【USB Powered】: This moistureproof heating coaster is powered by any device with a 5V USB output port such as your computer desktop laptop tablet mobile power etc. Light weight compact size easy to carry perfect for home and office use making you warm in cold weather. ❄ 【 Insulation】: Our low power heater can keep the beverages cold and hot. Keep your coffee tea or other hot beverages at 55 ° C without worrying about high temperature and high oxidation safe to use. It can only keep warm and is not suitable for heating very hot beverages or coffee. ❄ 【Use Flatbottomed Cup】: This is designed for flatbottomed cups please make sure that the bottom of your cup is in full contact. Not suitable for mineral water bottles thermos cups cups with too thick bottom or pits. Suitable for most stainless steel cups baby bottles ceramic cups glass cups etc. ❄ 【Widely USE】: Suitable for Versatile ceramic cups glasses metal cups etc. Fit for Coffee tea milk and other drinking you want to keep warm. ❄ 【Aftersales Service】: If you have any questions please feel free to contact us please feel free to contact us we guarantee that we will give you 100% satisfaction. Now have a cup of hot coffee for your family and add warmth to your family in the cold winter.