USB Smart Cup Warmer – Digital Thermostatic Coffee Mug Heater

Keep Every Sip at the Perfect Temperature

Say goodbye to lukewarm coffee and cold tea! The USB Smart Cup Warmer is a sleek, portable heating coaster that keeps your favorite hot beverages at your ideal temperature — right on your desk, wherever you work or relax. With a smart digital display and three precise temperature settings, you're always just one sip away from perfection. Made in Mainland China.

Key Features

• 3 Customizable Temperature Settings: Choose between 55°C, 65°C, and 75°C to suit your drink preference — whether it's a gentle warm milk, a perfectly hot tea, or a steaming cup of coffee.
• Smart Digital Display: A clear, intuitive display lets you monitor and adjust temperature at a glance — no guesswork, no frustration.
• Universal Cup Compatibility: Works with virtually any mug or cup — ceramic, stainless steel, glass, and more. If your cup has a flat bottom (~11.2 cm / 4.4 in diameter), it's compatible.
• Automatic Safety Shutoff: The built-in smart sensor detects when no cup is placed or when the cup is empty, and automatically stops heating. It also powers off after 8 hours of continuous insulation — giving you total peace of mind.
• USB Powered — No Batteries Needed: Plug directly into your computer, power bank, or USB wall adapter for hassle-free, eco-friendly, cost-saving warmth. The 20W power rating heats efficiently without draining energy.
• Compact & Stylish Design: The round, classic-style coaster features a fashionable look that fits any home or office aesthetic. Simple one-touch buttons and indicator lights make it effortless to use.
• Great for All Hot Drinks: Perfect for coffee, tea, milk, cocoa, soup, and more — ideal for home, office, or study sessions.

Specifications

What's in the Box?

• 1 × USB Smart Coffee Mug Heater / Heated Coaster

Pair It With More Great Finds

Love a great beverage experience? Check out these related products from our store:

• "More Espresso Less Depresso" Funny Coffee Canvas Wall Art — the perfect desk companion for coffee lovers.
• "In This Kitchen" Funny Coffee Canvas Wall Art | Vintage Print — a charming addition to any kitchen or break room.
• "Siri, Clean The Kitchen" Funny Canvas Wall Art | Kitchen Decor — add some humor to your space.

For more information on safe use of electric heating appliances, see the U.S. Consumer Product Safety Commission – Home Safety Resource.

Frequently Asked Questions

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

A: The USB smart cup warmer is compatible with almost any flat-bottomed cup or mug with a diameter of approximately 11.2 cm (4.4 inches). This includes ceramic mugs, stainless steel tumblers, glass cups, and more. As long as the cup's base sits flat on the coaster, it will heat effectively.

Q: Can I use this coffee mug heater with a laptop or power bank?

A: Yes! The USB cup warmer connects via a standard USB plug, so it works seamlessly with a laptop USB port, a USB wall adapter, or a power bank. No batteries are required, making it a convenient and eco-friendly desk accessory.

Q: Is the USB cup warmer safe to leave on for long periods?

A: Absolutely. The smart heating coaster features an automatic safety shutoff that detects if no cup is placed on it and halts heating accordingly. It also automatically powers off after 8 hours of continuous use without interaction, ensuring both your safety and energy conservation.

Q: What are the available temperature settings on this smart cup warmer?

A: The digital display heating coaster offers three temperature levels: 55°C (131°F) for a gentle warm, 65°C (149°F) for a medium heat, and 75°C (167°F) for a hot setting. Simply press the button to cycle through the options and choose your preferred temperature.