USB Electric Mug Warmer – 3 Temp Settings & Auto Shut-Off

Keep Your Favorite Drinks Perfectly Warm All Day

The raugee USB Electric Cup Warmer is the ultimate desktop companion for coffee lovers, tea drinkers, and anyone who hates a cold mug. Simply plug it into any USB port, set your preferred warmth level, and enjoy a consistently warm beverage from your first sip to your last — at home or in the office.

Key Features

• 3 Adjustable Temperature Settings: Choose from three warmth levels tailored to your preference — Low (40°–45°C / Green indicator), Medium (46°–50°C / Blue indicator), or High (51°–60°C / Red indicator). Always enjoy your drink at the exact temperature you love.
• 8-Hour Auto Shut-Off: Built-in safety auto shut-off activates after 8 hours, giving you complete peace of mind whether you're focused on work or stepped away from your desk.
• Water-Resistant Glass Panel: The smooth glass heating surface is water-resistant and worry-free — occasional spills wipe away instantly, keeping your desk tidy and the warmer safe.
• Universal USB Power: Operates at under 20V via standard USB, making it compatible with laptops, USB wall adapters, power banks, and desktop hubs. No dedicated power brick needed.
• CE Certified: Tested and certified to meet strict electrical safety standards for your confidence and security.
• Compact Heating Coaster Design: Slim, lightweight, and unobtrusive — fits neatly on any desk, nightstand, or kitchen counter without taking up valuable space.

Specifications

What's in the Box

Standard (Black) Package:

• 1× Glass Cup Warmer
• 1× USB Cable
• 1× User Manual

Black + OTG Cable Package:

• 1× Glass Cup Warmer
• 1× USB Cable
• 1× 1M USB OTG Cable
• 1× User Manual

Perfect For

• ☕ Morning coffee at your home office desk
• 🍵 Keeping herbal tea warm during long work sessions
• 🥛 Warming milk for late-night drinks
• 🎁 A practical, thoughtful gift for colleagues, friends, or family

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Learn more: Nutrition.gov on cooking and food safety

Frequently Asked Questions

Q: What types of cups and mugs work with this USB cup warmer?

A: The raugee USB cup warmer is compatible with most standard flat-bottomed mugs, ceramic cups, glass cups, and stainless steel tumblers. The flat glass heating coaster surface works best when the bottom of your mug sits flush on the plate for efficient heat transfer.

Q: Does the USB cup warmer work with a laptop or power bank?

A: Yes! Since it's powered by standard USB at under 20V, you can plug the cup warmer into any USB port — including laptop USB ports, USB wall adapters, desktop hubs, or a compatible power bank — making it extremely versatile for home, office, and travel use.

Q: What happens if I forget to turn off the mug warmer?

A: No need to worry — the built-in 8-hour auto shut-off feature automatically powers down the warmer after 8 hours of continuous use, helping to prevent any safety issues from accidental leave-on situations.

Q: How do I clean the cup warmer's heating surface?

A: The water-resistant glass panel is very easy to maintain. Simply wipe the surface with a damp cloth after it has cooled down. Avoid submerging the device in water or using abrasive cleaners.

Production & Packaging Notice

To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.