I think I know the answer but can you use an ordinary coffee cup on the warmer?

Absolutely Yes! Most coffee mugs have a concave bottom which keeps the heating element from making contact with the bottom of the coffee mug. This limits the usefulness of most coffee cup warmers. However, this warmer can be set warm enough to keep even those cups and their contents warm (hot). However, I found a few silicone coffee cups "hats" that help keep the coffee warm too. Together, my coffee stays hot as long as I want it to. Personally, I use the flat bottomed steel cup and even without the lid, it stays warm to hot as long as I want.

What is the hottest temperature in reality? Can someone tell me if it is still steaming hot?

I think the warming plate gets up to about 180F per the readout. Whatever the temperature actually is my tea stays very hot. Not hot enough to burn my lips or mouth, but hot enough to feel freshly made. If I leave it on the warming plate for a while when there is only about half and inch of beverage left it does get a little too hot to drink comfortably though, but that’s to be expected. I bet if I turned the temp down when I’m nearing the end of my tea it would be just fine.

Is the mug dishwasher safe?

To prolong the mug's lifespan, we recommend not to wash it by dishwasher. Hope this helps! If any further question you have, feel free to contact us through Amazon Message.

Is this wireless? I see some pictures with a cord and others without.

It takes a lot of electric power to heat surfaces. A cordless warmer of this size would have a dead battery in less than a half hour. This is a corded appliance that you need to plug into a 120V (or 110V) outlet. Be happy about that. It keep your coffee warm all day.

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Coffee Mug Warmer & Mug Set for Desk, Cup Heater, Office & Christmas Gifts, 1°F Precise Temperature Control, Touch Tech & LCD Digital Display (77-194℉), 304 Stainless Steel, Silver/Black

Product ID: 253731205

Details

Brand
Cosori
Colour
Silver/Black
Material
Stainless
Power source
Corded
Product dimensions
13.5L x 10.9W

🔋24W efficient power use

🌡️±1°F precise temp control

🛡️304 stainless steel durability

€ 160.00

Duties & taxes included

In stock

Sold byAmazon GreeceDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

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Description

🔥 Keep your brew boss-level hot, all day long!

GIFT READY ELEGANCE - Arrives in a stylish box—perfect for impressing coffee lovers this holiday or any occasion.
SLEEK DESK ESSENTIAL - Compact 13.5 x 10.9 cm footprint fits seamlessly into any modern workspace aesthetic.
SIP AT YOUR PERFECT TEMP - Ultra-precise 77-194℉ control with easy F°/C toggle for your ideal warmth.
BUILT TO ENDURE YOUR HUSTLE - Premium 304 food-grade stainless steel mug and spill-resistant warmer built for daily grind.
EFFORTLESS ONE TOUCH OPERATION - Intuitive touch controls and clear LCD display keep your focus on work, not your drink.

The Cosori Coffee Mug Warmer & Mug Set combines precision temperature control (±1°F) with durable 304 stainless steel construction and a spill-resistant Pi film heating element. Designed for office and home use, it features a sleek LCD touch interface, supports 77-194℉ range, and comes gift-ready in an elegant box—perfect for busy professionals who refuse to compromise on their coffee experience.

Specifications

ASIN	B07G9J4745
Best Sellers Rank	#39,892 in Computers ( See Top 100 in Computers ) #29 in USB Beverage Warmers
Brand Name	Cosori
Capacity	17 Fluid ounces
Color	Silver/Black
Customer Reviews	4.5 4.5 out of 5 stars (8,013)
Global Trade Identification Number	00817915023846
Included Components	coffee warmer, coffee mug, user manual
Item Dimensions L x W x H	13.5L x 10.9W x 1.8H centimeters
Item Type Name	Beverage Heater for Home and Office Use
Item Weight	17 Ounces
Lower Temperature Rating	77 Degrees Fahrenheit
Manufacturer	COSORI
Manufacturer Part Number	HTHOHASA07DC
Material Type	Stainless Steel
Maximum Temperature	194 Degrees Fahrenheit
Model Number	CO162-CWM
Number of Items	1
Number of Packs	1
Number of Trays	1
Power Source	Corded Electric
UPC	817915023846
Unit Count	1 Count
Upper Temperature Rating	194 Degrees Fahrenheit
Voltage	240 Volts
Wattage	24 watts

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€ 160.00

Duties & taxes included

In stock

Sold byAmazon GreeceDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Greece.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

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Good experience, but the tracking updates could be better.

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The product quality is outstanding. Exactly what I needed for my work.

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