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☕ usb metal constant temperature heating coaster - insulated mug warmer, creative heating coaster for coffee mugs - desk coffee mug warmer (black) logo

☕ USB Metal Constant Temperature Heating Coaster - Insulated Mug Warmer, Creative Heating Coaster for Coffee Mugs - Desk Coffee Mug Warmer (Black) Review

4

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Poor

Revainrating 3 out of 5  
Rating 
2.8
☕️ Coffee, Tea & Espresso, 🍽️ Kitchen & Dining

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Description of ☕ USB Metal Constant Temperature Heating Coaster - Insulated Mug Warmer, Creative Heating Coaster for Coffee Mugs - Desk Coffee Mug Warmer (Black)

Easy to use: Just plug in the power cord and put on the cup. Finish it. Now, the thermos cup will keep your drink warm until the last drop. Suitable for most cups: If you use thin-walled, flat-bottomed cups, you will get the best results. The electric cup heater is suitable for ceramic tableware, stainless steel cups, mugs, milk cartons, glasses, etc. (plastic cups cannot be used for heating.). Portable energy-saving design: Easy to carry and clean. Maintain the best coffee taste anytime, anywhere. The perfect gift choice: Never worry about which gift to choose for family and friends. This will be the best gift for Thanksgiving and Christmas. Customer Service: We are committed to providing you with comprehensive services, and you are welcome to contact us when you need help.

Reviews

Global ratings 4
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Type of review

Revainrating 3 out of 5

It gets hot, but ONLY for SMALL mugs/cups.

I was very happy to get this product until I tried it with a regular sized cylindrical (not tapered) coffee mug. The warmer works well, but the base is very small and has a lip so my cup can't sit securely. This works well for a teacup or conical mug with a small base, but don't worry if you're using a mug, even a small one, that has the same diameter at the top and bottom. :(

Pros
  • Decent performance
Cons
  • Good but not great

Revainrating 4 out of 5

The heating pad works well with some glitter added

I wanted a USB heating pad to use near my computer. Connecting an additional device to an outlet or multiple socket is not always possible and sometimes easy. This heater works as described. Like all flat cup warmers, it doesn't work well with non-flat bottomed cups. To fix this, I bought small ceramic disks of different sizes from Revain's saleswoman Amy@FortySevenGems. Now I can adjust the discs to fit the bottom of my mug for maximum heat transfer. Please see my photos. It satisfies my need…

Cons
  • Low repairability

Revainrating 1 out of 5

Hardly any heat for kitchen and dining room

Unfortunately, there doesn't seem to be such a thing as a USB mug warmer that will keep hot drinks at the right temperature like warmers that slip into a wall-mounted vessel. I think it's not enough power. I don't quite understand why, maybe they're trying to use the same mechanisms inside and haven't bothered to change the technology for that? They are all the same; brand doesn't matter. All USBs come from one place. Someone just has to make it clear to China that the technology between USB…

Pros
  • Nicely
Cons
  • Style 90

Revainrating 3 out of 5

Works, but. - Beverage warmer

Fast shipping, fast receipt. The device is smaller than expected. The photo and video show a standard 12-ounce straight-sided mug that barely fits. Can't get any wider at all. I don't like that I have to be very careful when setting the mug down so it sits flat on the warmer burner, which is about 3" in diameter. Heats up fairly instantly and keeps the drink from getting cold, but definitely doesn't keep it "hot". I believe most devices that plug into a USB port have this problem. A smaller cup

Pros
  • Finally bought
Cons
  • Some cons