Famure Heating Coaster|Coffee Mug Cup Warmer USB Electric Tea Drink Plate

Specifications: Name:Coffee Mug Warmer Material:Aluminum Alloy + Tempered Glass Size:about 82*82*70mm/3.23*3.23*2.76in USB power supply:5V/2A Power:7W Packing List: Coffee Mug Warmer * 1 Notes: 1.This coffee mug warmer uses USB power supply in consideration of convenience and safety so the power is limited and it is only suitable for heat preservation not for heating cold water. 2.Generally when the room temperature is 26 degrees make a cup of tea (coffee) and place it on the coaster.Then this coffee mug warmer can keep your tea(coffee) warm the temperature is about 40 degrees or more.This coffee mug warmer is suitable for all flat-bottomed cups with good thermal conductivity.This coffee mug warmer is suitable for office desk use. 3.It is estimated that it will take about 20 minutes to heat a cup of cold water to about 40 degrees.