USB Coffee Electric Water Cup Heater

Keep your favorite cup of coffee or tea hot whenever you want, using our USB Coffee Mug Warmer.

Beautiful appearance and excellent heat preservation effect with high quality heating sheet.

This Mug Warmer fits most mugs, such as glass mugs, stainless steel mugs, ceramic mugs, etc.

It can slow down the cooling of hot drinks, maintain or heat the coffee temperature at 40-60°C (55℃ is best for drinks) and maintain this state throughout the day, it does not neither too hot nor too cold.