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Review on ☕️ KRGMNHR Smart Coffee Mug and Cup Warmer, Auto Shut Off, Ideal for Coffee, Tea, Hot Cocoa, Milk, Wax Candle Warmer Plate, Black (Upgrade) by Anna Reed

Revainrating 1 out of 5

Buy one with a METAL heating surface

This unit has a nice clean design, but it's not very efficient as a cup warmer. Here's why: The surface of the heater is made of glass, and glass is a very poor conductor of heat. Compared to steel, glass offers 40 times less heat transfer, meaning the heat from the heating element does not travel through the glass to the mug. do yourself a favor Buy a mug warmer with a METAL heating surface.

Pros
  • Nice product
Cons
  • No power