The warmer worked completely fine at the beginning

I have let my coffee get cold many times while working, all this thing

This mug warmer works in that it keeps coffee warm, but the switch design has two serious flaws - one creates a safety concern and the other makes it inconvenient.

Fast shipping brand new works great what else needs to be said

I have had others that have on/off switches and have worked well, but this warmer is my favorite.

It stopped working after the return period expired

This coffee cup warmer works great

Second one works fine, lowest setting keeps a hot mug hot, high setting will warm up a lukewarm mug

The Coffee Cup Warmer works well and I like the fact that when you take the cup off of the warmer it goes off, then back on when you sit your cup back on, so that is the automatic shut off which is great.

the warmer works by setting the mug on the plate, a button on the bottom activates it

because he never finishes his coffee, and it geta cold, this works, he loves it and always finishes his coffee now

This mug warmer works in that it keeps coffee warm, but the switch design has two serious flaws - one creates a safety concern and the other makes it inconvenient.

This warmer works great by keeping my coffee warm

The warmer works well

Warmer works fine, but not ideal for coffee.

This warmer works very well

This cup warmer works

Warmer works fine, but not ideal for coffee.

Warmer works fine, but not ideal for coffee.

A few days later, red no longer worked..rendering it useless to me.