Keep your beverage cool or your coffee hot with this one-step Fast Heating and Cooling Coaster. It supports a USB interface and has a mini design that is suitable for home and office use.
Keep your beverages warm all the time with this Portable Smart Heating Insulation Coaster. This Coaster has different heating settings you can choose from to keep your beverage ready to drink anytime and anywhere you are.
Keep your beverage at their optimum temperature to preserve their taste and quality with this Beverage Heating Coaster. This coaster prevents you from drinking a lukewarm coffee or tea, perfect for office and home use.
