USB Cup Warmer


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So you make a piping hot brew at work, only for you to get side-tracked causing you to let your little cup of heaven go stone cold. Sound familiar? Then look no further than the USB Cup Warmer.

Just plug it into your USB port and place your cup onto the hot plate. Hey Presto! Your cuppa will stay warm for an extra 30 minutes. It really is as simple as that! This quirky gadget will soon become an essential item for your workplace. - L.M.


  • USB-powered hot plate
  • Fits cups and slim mugs
  • Temperature of hot drinks can be maintained at 40 degrees after an hour
  • Includes DC to USB Cable
  • Powered via USB from your PC or Mac
  • Low voltage (5V)
  • No driver installation required
  • This is an electrical item, do not splash with liquid
  • The hot plate gets hot, please use with caution
  • Cannot be used with plastic cups
  • Colours may vary
  • This product is not a toy, keep out of reach of children


  • 12 x 12 x 2cm. Cable length: 50cm

Product Details


Delivery & Returns

How long will it take to arrive?

Please check the stock availability notice on your item when placing your order. This item is: Sold out

Please remember to add postal time (2-3 working days) to obtain a complete estimate of delivery to your door.

How will I know it has been sent?

You will receive an email to confirm when your item has been sent.

You can also check the status of your order and individual items by accessing My Account details and following the prompts.

Please allow 10 working days from dispatch of your order before notifying us of any late deliveries.

It may be advisable to check with your neighbours to see if a parcel has been left with them, check any outhouses you might have where it may be left if it cannot fit through your letterbox and contact your local sorting office to see if the item has been returned to the depot as undelivered and awaiting collection.

If I'm not completely happy with my item?

Please see our returns policy.

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Customer Reviews




(45 Reviews)

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Reviewed on Mon May 20 18:52:34 BST 2013 by 

USB Cup Warmer

This USB Cup Warmer is an excellent bit of kit. It gets hot quickly and keeps your brew warm. How did I ever live without this?


Reviewed on Wed Nov 21 18:25:57 GMT 2012 by 


This USB Cup Warmer is absolutely terrible. It was bought for me as a present and doesn't work at all. It's completely useless!


Reviewed on Wed Oct 03 18:36:58 BST 2012 by 


The USB Cup Warmer does not work at all. The plate doesn't get hot let alone keep a mug warm. It's a waste of money, waste of time, and waste of tea!


Reviewed on Tue Sep 04 22:16:26 BST 2012 by 

For those who have everything

The USB Cup Warmer is the perfect gift for someone who has everthing. It was bought as a present and turned out to be a great little addition to the office for a serious coffee drinker.


Reviewed on Tue Sep 04 18:30:19 BST 2012 by 

No more cold tea

The USB Cup Warmer is an excellent idea. My boss got one of these and I am extremely jealous. He is able to drink a cup of tea long after I have been forced to make another. Must get one.


Reviewed on Fri Aug 31 00:00:00 BST 2012 by 

Review of USB Cup Warmer

This is fine if used with a standard sized mug with straight sides, but not with an over sized mug with curved sides.


Reviewed on Sun Aug 12 11:58:16 BST 2012 by 

Cold to Hot

The USB Cup Warmer was worth every penny, as when I was camping we used this to keep our drinks hot! Recommend this to anyone who likes their drinks hot!


Reviewed on Wed Jul 04 18:34:48 BST 2012 by 

Very Good Product !

This USB Cup Warmer works very well. It was a birthday present and a great idea! I would highly recommend this product!


Reviewed on Tue Jun 12 20:52:42 BST 2012 by 

So Good!

Although I bought the USB Cup Warmer as a present for my boyfriend, I decided to try it first just to make sure it worked, and it does! It is great and his tea will never get cold again!


Reviewed on Sun Mar 18 14:53:17 GMT 2012 by 

Not great!

Maybe I've just been unlucky but out of 3 of three, only one of the USB Cup Warmers worked. The other two both gave off a smell of burning plastic - not good - and didn't get hot either. The other one worked fine though!


Reviewed on Fri Mar 09 13:11:56 GMT 2012 by 

cup warmer

I bought the Cup Warmer as a gift for a friend, I have never seen someone so happy. It works a treat.


Reviewed on Mon Feb 27 10:23:24 GMT 2012 by 

Good little gadget, although I did buy 2 and one didn't work, but that might just be a one off.


Reviewed on Mon Feb 20 09:27:57 GMT 2012 by 

not so hot :-(

I got this gadget as I am an avid tea drinker, however, due to work constraints I sometimes forget that I have actually got a cuppa on the go. I was however, a little dissapointed with how hot my USB warmer gets. It has a warning on it not to touch the metal plate but it never really seems to get that warm. My regular mug is quite thick walled and may not be the best mug to use on this device, perhaps a single skinned metal camping mug may be better (yet to find and try one!) Also, not all mugs will fit comfortably on this - the plate size is no biger than 2.5" (8cm ish). Overall, good for a giggle, but not scorching!


Reviewed on Fri Jan 20 15:25:29 GMT 2012 by 

At last, a hot cup of coffee

As an author I find that when the muse strikes and I am typing away, my tea or coffee sits on my desk and gets cold. Not any more! This little device plugs into the laptop and keeps drinks warm for an hour. It saves money because I am no longer pouring away half drunk cups of coffee. A great idea!


Reviewed on Thu Dec 29 15:54:35 GMT 2011 by 

It works as well as you would expect. My only problem with it is that it could do with a longer cable, and to be able to accommodate larger cups and mugs. Other than that it does the job well.


Reviewed on Thu Dec 29 15:08:04 GMT 2011 by 

very useful

I gave this as a present to my mum. So far she's really liking it as she can use it to keep her cups of tea warm while she's working. Also, it doesn't take too long to heat up which is good. I would definitely recommend this item.


Reviewed on Mon Apr 11 17:36:33 BST 2011 by 

Warm Feeling for this

I'm a massive tea addict, but always get caught on the phone at work so my cuppa gets cold. Found this little product and it works perfectly. I now need something which will stop so many calls at work.


Reviewed on Fri Oct 22 14:06:20 BST 2010 by 

Plastic, flimsy and small.

This is a really plastic, lightweight device. Feels incredibly cheap. Although I've bought it as a present, I'm too embarrassed to give it to my loved one. Also, be aware that when it says cup warmer - that is really ALL that will fit on it (even though the image suggests it can accommodate a mug). I bought one of the hot/cold mugs on here and it doesn't quite fit on the warming plate. I really am disappointed. I expected better from IWOOT; but maybe it's just the copywriters' fantastic use of words that convinced me everything on this website is fantastic.


Reviewed on Fri Sep 10 00:00:00 BST 2010 by 

my dad loved this

i was looking for ages to get my dad a useful and different present for his birthday and i found this wow, when it arrived my dad opened it and it took him a few minutes to work out what it was, but then to watch his face light up when he finaly realised his beloved cup of tea could be kept warm while he was playing his favorite games on the computer he was so excited, he was only disapointed that it didnt come with a programme to show my mum how to make a cup of tea and bring it to him but you cant have everything all in all he was delighted with his new gadget


Reviewed on Mon Jun 21 00:00:00 BST 2010 by 

Proper fab idea

I got this for my dad for fathers day, he loved it as hes was fed up wiv makin his cuppa then forgetin to drink it. Job done. He did tell me it was one of the best pressies i'd ever got him. small things lol.


Reviewed on Mon Apr 26 00:00:00 BST 2010 by 

It's changed :-(

I bought one of these a couple of years ago for my PC at work (the one pictured above) and it worked a treat! As a result of this, I recently bought a second one for my PC at home, only to find that the model they ship out has changed in the mean time. The new one has one big problem - it's too small! A vast majority of normal mugs are too big for the hot plate, whereas the old one they used to ship was big enough for all mugs. Please IWOOT, go back to your original supplier for these as the ones you ship out now are just not as good as before.


Reviewed on Thu Mar 04 00:00:00 GMT 2010 by 


I brought this for my dad as he can't stand a cold cup of coffee but often has to take long conference calls so can't drink it quick enough, a perfect present for those who love gadgets!


Reviewed on Wed Feb 17 00:00:00 GMT 2010 by 


I bought this for my husband who loves gadgets. He is so impressed with it he has taken it to work with him to show the lads. I hope you've got plenty in stock.


Reviewed on Mon Feb 15 00:00:00 GMT 2010 by 

Luke warm rating

If, like me you prefer your hot drinks to be hot - then don't use one of these ! As a gift to (briefly) impress your friends then great. But remember - they will only be impressed up to the point of using it.


Reviewed on Wed Feb 03 00:00:00 GMT 2010 by 

Great for a pint mug!

Got this for my friends Christmas as I bought him a pint mug for his birthday and he said the tea was cold by the time he drank half of it. Problem solved!!!


Reviewed on Mon Jan 11 00:00:00 GMT 2010 by 

well worth it

It works really well and keeps the drink hotter for longer, I brought it as a gift and it was well received.


Reviewed on Fri Jan 08 00:00:00 GMT 2010 by 

Best pressie I got

A smashing pressie from my daughter. Just what I needed as I lose count of the cups of tea that go cold while I'm surfing. Definitely the best Crimbo pressie I've had in years (except maybe my 32" telly!!)


Reviewed on Thu Jan 07 00:00:00 GMT 2010 by 

Great gift idea for any computer geeks. I gave this my teenage son this xmas and he loved it! Brought a smile to his face which is rare!


Reviewed on Tue Jan 05 00:00:00 GMT 2010 by 

Cool gadget that is actually HOT

Bought this for the wife, she took it to work and she loves it, as do her colleagues.


Reviewed on Tue Jan 05 00:00:00 GMT 2010 by 

bestest xmas pressie i ever got someone!

i saw this whilest browsing for xmas pressie ideas, and had to get it for my dad! when he works at home on his computer he'd make a coffee and that would be it! then he'd moan its cold cos he's been busy and i'd moan that he's wasting coffee! (being a man he wouldnt blast it in microwave!). now he plugs it in and coffee never goes cold! he's happy because he can make a coffee last an hour or so and i'm happy because i'm spending less on coffee!! thank you guys! i love this place xxxxxxxxxxxx


Reviewed on Tue Jan 05 00:00:00 GMT 2010 by 

we needed these!!!

With 3 laptop addicts in the house and more tea/coffee cups in and out of the microwave, the USB Cup Warmer is definitely the best thing since 'sliced bread'! Six laptops between them and always doing something is a recipe for drinks constantly liable to go cold without the warmers.


Reviewed on Tue Jan 05 00:00:00 GMT 2010 by 

We're stars

Bought for hoped for future son-in-law. We approve of him, and as he's a gadget fan, should rate us above his own parents. A paultry price to pay for his life long devotion to our daughter!


Reviewed on Tue Jan 05 00:00:00 GMT 2010 by 

Very good purchase

Having a very forgetful husband for whom endless coffee's are made, to go cold, I saw this online and decided that it was an IDEAL present for him for Christmas. He has used it already a couple of times but such a simple idea that no-one else had thought of before. Brilliant!


Reviewed on Tue Jan 05 00:00:00 GMT 2010 by 

Surfing pleasure

The best idea yet for those of us who are so busy surfing that we forget to drink our tea. This keeps the drink hot and cheery.


Reviewed on Tue Jan 05 00:00:00 GMT 2010 by 

Simple and effective

I gave this to a writer friend who drinks lots of tea while she stares at her blank computer screen. It proved to be as welcome as it is imaginative. She even finished some chapters.


Reviewed on Tue Jan 05 00:00:00 GMT 2010 by 

What a purchase!

I first thought that purchasing a USB Cup warmer would be a bit... odd. I then purchased it, and if I'm being honest, I can't live without it! No longer do I sit there in the office, and gag on cold cups of tea! It keeps it just at the right temperature, so now I can have a fresh, hot cuppa sitting at my desk waiting for me, while I'm playing fussball with my colleagues... Oh, I mean 'working'.


Reviewed on Fri Dec 18 00:00:00 GMT 2009 by 


brought this item for my boyfriend who loves computer gadgets it only workes if u have a small and flat bottom cup so not really pleased with it also after 2days it stopped working so all in all not pleased with this product- disappointing!!


Reviewed on Mon Dec 14 00:00:00 GMT 2009 by 

fab gadget

Brought yhe mug warmer for my son Edward, who loves gadgets so this is a top drawer one


Reviewed on Sat Dec 12 00:00:00 GMT 2009 by 

Excellent Idea

Great little gadget - excellent Christmas pressie for someone who claims to work too hard!


Reviewed on Thu Dec 10 00:00:00 GMT 2009 by 


TEA was warm for 3 times as long as usual i love my tea but always in meeting or busy an never get chance to ever drink my tea an when i do come round to its stone cold now with this its just not the case brilliant idea an no more spitting out cold tea!!


Reviewed on Thu Dec 10 00:00:00 GMT 2009 by 

usb cup warmer

I have bought 2 of these 1 for my son and 1 for my son-in -law and they are both crazy about them.As for me no more "can I have another cup of tea." hip hip hooray.


Reviewed on Thu Dec 03 00:00:00 GMT 2009 by 

Ideal presant

I bought 2 of these, one for my mum and one for my step dad, they run as business in an industrial estate in a lock up workshop. It gets very cold in there (which obviously cools down their drinks very quickly). When they have their break they sit at their laptops so this gift is absolutely ideal and they will love them. One of my best buys this x-mas :D


Reviewed on Thu Dec 03 00:00:00 GMT 2009 by 


this is one of the best products i have bought, i always have teago cold when on the omputer and now they always stay hot for anythig from half an hour to an hour depending on the air temp. i also carry it to work with me so my work drinks stay hot too. excellent invention and highl recommended to any one who always has lots to do and always has cold drinks.


Reviewed on Wed Nov 25 00:00:00 GMT 2009 by 

Dont Buy!!!

I bought 2 of these and not happy. This item does not do what it says on the box, it only heats up the centre of the plate and does not keep the drink warm at all. I am very disappointed as a friend of mine bought one last year which is slightly different but works perfect.


Reviewed on Thu Oct 22 00:00:00 BST 2009 by 

usb cup warmer

this is a bday gift so i cannot yet review it until afer 21st Nov! It looks good though!

USB Cup Warmer

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USB Cup Warmer