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This was by far one of the more ascetically pleasing warmers I came across at a reasonable price. And just like the name says it is a warmer... it will keep you drink just a hair warmer than room temp so this is better for slowing your coffee's cooling process down but it will not keep a drink hot. I use it almost everyday and it helps... it would be nicer if it would keep it a little warmer than what it does tho. So far I've tried metal, ceramic, porcelain, and paper mugs to see if one worked better than the other but it was all about the same.
Good for the price but don't expect steam to keep coming out of your drink hours later....
So this is a usb warmer which cannot be expected to warm as well as a plug in one. I knew that going in, but I wanted something to use with my laptop in spots where I wasn't near a plug. I was disappointed that the cord was not interchangable with other usb cords like other devices. The cord is about 3ft long and there's no need for this. Anyone at a desktop will be able to use a PLUG in warmer (which are way better) and they would need length to reach the plug, but why the long cord for a usb warmer that you're going to use right next to your laptop?
This mug warmer is not wide enough for many of my mugs. I assume there is a standard size mug, and mug warmers would be built around that. Other than its limited purpose, functionally it works fine with tapered and narrow mugs.
Ended up returning both of these that I had ordered as Christmas gifts. They're not very effective, and do not keep heat well. In this case, you really do get what you pay for. If you're looking for a mug warmer, I'd suggest looking at a more pricy, but better quality, alternative. We tested out two of them and both only kept the very bottom of a mug hot to the touch, but the rest of the mug was the same temperature as if it was sitting out on the counter.
If you are looking for something that will prevent your coffee from getting cold as fast as it would just sitting on your desk, this is for you. If you actually want your coffee to stay hot, buy something else. It would also be nice if it had a switch instead of needing to plug it in when you want it on and unplugging it when you're finished. Aside from it's intended purpose, it does look nice.
I should have thought about this before purchasing but there’s no on/off switch. Not convenient when your USB is inside your flip up top side table. Nice faux wood and looks good. Drinks didn’t stay warm for long though.
Too problematic to attempt a return. I guess I will use it to melt fragrance wax. I bought it to connect to my PC while I work from home during this pandemic. Now I have to guzzle my morning coffee before I log on to start work.