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ionMug & Charging Coaster, 12oz. Stainless Steel Self Heating Coffee Mug with Lid, 3.5" x 3.5" x 5"

4.3 stars out of 3217 reviews
(4.3)|
3,217 ratings

Key item features

  • Temperature Control: Choose from 3 adjustable temperature levels: 135 F, 140 F, or 145 F, with an LED indicator showing the desired level and heating completion.
  • Long-Lasting Heat: Built-in rechargeable battery keeps beverages hot for up to 3 hours, or use the charging coaster to maintain heat all day.
  • Auto Shut-Off: Automatically turns off after 3 hours or when no liquid is detected, ensuring safety and energy efficiency.
  • Durable Materials: Made with 304 stainless steel and ABS material, the ion Mug is easy to clean under running water.
  • Spill-Proof Lid: The anti-spill lid helps keep your hot beverage secure, preventing spills and accidents.
  • Compact Design: Dimensions of 3.5" x 3.5" x 5" and a weight of 1 lb make it a convenient and portable option for hot beverages.
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Current price is $39.98
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  • Free 90-day returns
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Customer ratings & reviews

4.3 out of 5 stars
stars3,217 ratings2,575 reviews
How item rating is calculated

Reviews summary

Pros
  • : Mug has a contemporary look.
  • : Simple to operate and manage.
  • : Maintains temperature for an extended period.
  • : Offers 3 preset temperature options.
  • : Offers great value at this cost.
Neutral
  • : Can last up to 3 hours, but may drain quickly in some cases.
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Showing 1-3 of 2,575 reviews

Jan 24, 2026
FLO
Item details
Color: Black
5 out of 5 stars review

Verified Purchase

Purchased for a gift. Recipient was impressed with how easy it was to use and it maintains desired temperature (internal battery). Temperature control is on the cup eliminating the need to control through an app. If you do get busy and forget your coffee/tea it reheats very quickly. Several of her friends have purchased on her recommendation.

Helpful?4G9FVQP91KLX624515878
Feb 18, 2026
CASANDRA
Item details
Color: Bronze
4 out of 5 stars review

Verified Purchase

A "Mug" look - Not Satisfied

I am dissatisfied with the color of the item received in my shipment. I had requested black, but instead, bronze was selected. Additionally, the lid does not secure properly, despite having a silicone rubber seal. The set appears to be made of hard plastic rather than ceramic and is quite heavy to handle when empty. Although it resembles a cup, approximately one-quarter of its interior space is occupied by its design. Furthermore, the product does not include a USB charger, but an old fashioned wall charger, which is disappointing; having this accessory could have enhanced its value and portability. A USB Type-C cable charger would allow for convenient charging on the go. I have yet to charge the device but will provide an update on its specifications once I do so, if the review allows me too.

Helpful?4G9FVQP91KLX624515878
Nov 16, 2025
ShopsOnline2009
Item details
Color: Bronze
3 out of 5 stars review

Verified Purchase

The cover pops off when I have hot liquid in it.

The cover does not stay on. I have an older model, and the cover is secure. This cover pops randomly off with hot liquid in it. If you don't care about the cover popping off and just want it to keep the coffee/tea hot, it works great. So I am giving it 3 stars. I also love the copper color.

Helpful?4G9FVQP91KLX624515878