ZenthermoRui black mug warmer, digital display 167°F, white mug of hot coffee with steam.

Simple design, consistent heat.

Reliable Warmth for Your Busy Day

Set the 1-12H timer, choose from 3 temperatures, and keep coffee, tea, or cocoa warm without microwaving. The digital display shows time and temp at a glance.

Black mug warmer, digital display shows 12, timer and temp buttons, on wood desk.

Set & forget, stays warm

Smart 1-12H Timer & Digital Display

Set 1-12H timer and walk away.
Default 8H auto shut-off for safety.
Digital display shows time & temp.

Choose your perfect warmth, no microwaving

Low (113°F): Gentle Warmth

Ideal for milk, delicate teas, or ready-to-sip drinks. Keeps your beverage warm without overheating.

Medium (131°F): Daily Coffee

Perfect for coffee, lattes, and sip-ready tea. The ideal temperature for immediate enjoyment.

High (167°F): Piping Hot

Best for hot cocoa, strong tea, or keeping soup hot. Enjoy a piping hot drink on cold days.

30W heating keeps drinks warm, not boiling. Ideal for office and dorm use

30W Heating: Low Power

30W heating keeps drinks warm, not boiling. Low power draw is ideal for office and dorm use.

Wide Compatibility with Flat-Bottomed Cups

Mug warmer with green check marks on ceramic, glass, and stainless steel mugs.

Suitable For

Fits heat-resistant, single-layer ceramic, glass, and stainless steel mugs with flat bottoms.
Maximum contact with the heating plate is required for best results.

Mug warmer with red X marks on plastic, vacuum, double-wall, and high-foot cups.

Not Suitable For

Do not use plastic or paper cups (not heat-resistant).
Do not use vacuum-insulated or double-walled cups (they block heat transfer).
Cups with recessed or uneven bottoms may not heat efficiently.

Designed for everyday use

Quiet & Easy to Clean

Spill-resistant glass, easy to clean. Unplug & cool before wiping. Spray cleaner on cloth, not warmer. Overheat protection & auto shut-off. Quiet, no fan. 30W for office & dorm.

Black mug warmer, hand wiping glass surface, 3-step easy clean guide.

More Than Coffee: Gift & Candle Warmer

What's in the Box

1 x Mug Warmer, 1 x Power Cord, 1 x User Manual. Mug not included.

Mug warmer with coffee, flowers, and a Thinking of You card, practical gift.

A Practical Gift

Ideal for coffee lovers, office workers, and students. A small upgrade that makes a daily difference.

Mug warmer warming a jar candle in a heat-resistant container, no open flame

Also Warms Candle Wax

Medium (131°F) warms jar candles or wax melts. Use a heat-resistant flat-bottom container. Never place wax directly on the heating plate.

Mug warmer with overheat protection, auto shut-off, and spill-resistant glass surface.

Easy to Use

Overheat protection and auto shut-off. Spill-resistant glass surface. Unplug when not in use.

Important Usage Tips

Scratched screen?

Peel off the protective film.

Not working?Transit may occasionally loosen parts. For any issues, please reach out to us through your order page. We provide prompt support.

Mug warmer screen film peeling. Left: film on. Right: peel from edge.

Warmth for Every Moment.

NEVER DRINK COLD COFFEE AGAIN
Your Perfect Temperature | For Coffee, Tea & More
Meet ZenthermoRui. We believe your favorite beverage should stay hot from the first sip to the last. We design smart, sleek mug warmers for coffee lovers, tea enthusiasts, and busy professionals.
Say goodbye to lukewarm drinks and microwave re-heating.
Warmth for Every Moment
Keep every sip at the perfect temperature, all day long.
New Handcrafted Set
Beyond a warmer. Includes a phone stand & unique handmade tray. The perfect thoughtful gift for any holiday or housewarming.
Find Your Perfect Fit
Smart heating for every lifestyle
New Arrivals & Best Sellers
Q1: Why choose ZenthermoRui?
A: Premium quality with total peace of mind. Featuring 8H auto shut-off and anti-dry burn tech. Plus, our Ultimate Set includes a phone stand and a handmade tray.
Q2: Is it a good gift?
A: Absolutely! Our exclusive "Best Mom Ever" edition and the new Handcrafted Desk Set (with phone stand & handmade tray) are top picks. Perfect for any holiday or housewarming.
Q3: Ready to upgrade your daily routine?
A: Experience the cozy difference. Discover the perfect mug warmer for your desk or living room. Explore our full collection above and find your favorite design today!

Warmth for Every Moment.

NEVER DRINK COLD COFFEE AGAIN
Your Perfect Temperature | For Coffee, Tea & More
Meet ZenthermoRui. We believe your favorite beverage should stay hot from the first sip to the last. We design smart, sleek mug warmers for coffee lovers, tea enthusiasts, and busy professionals.
Say goodbye to lukewarm drinks and microwave re-heating.
Warmth for Every Moment
Keep every sip at the perfect temperature, all day long.
New Handcrafted Set
Beyond a warmer. Includes a phone stand & unique handmade tray. The perfect thoughtful gift for any holiday or housewarming.
Find Your Perfect Fit
Smart heating for every lifestyle
New Arrivals & Best Sellers
Q1: Why choose ZenthermoRui?
A: Premium quality with total peace of mind. Featuring 8H auto shut-off and anti-dry burn tech. Plus, our Ultimate Set includes a phone stand and a handmade tray.
Q2: Is it a good gift?
A: Absolutely! Our exclusive "Best Mom Ever" edition and the new Handcrafted Desk Set (with phone stand & handmade tray) are top picks. Perfect for any holiday or housewarming.
Q3: Ready to upgrade your daily routine?
A: Experience the cozy difference. Discover the perfect mug warmer for your desk or living room. Explore our full collection above and find your favorite design today!

ZenthermoRui black mug warmer, digital display showing 167°F, white mug of hot coffee with steam.

Simple design, consistent heat.

Reliable Warmth for Your Busy Day

Set the 1-12H timer, choose from 3 temperatures, and keep coffee, tea, or cocoa warm without microwaving. The digital display shows time and temp at a glance.

Set & forget, stays warm