AFDEAL Coffee Mug Warmer – 3-Temp USB Electric Coaster

Keep Every Sip Perfectly Warm — Anytime, Anywhere

Say goodbye to cold coffee and lukewarm tea. The AFDEAL Coffee Mug Warmer (Model: Rst-77) is a compact, touch-controlled electric heating coaster that maintains your favourite beverages at the exact temperature you love. Whether you're deep in a work session or unwinding at home, this smart cup warmer keeps drinks at ideal warmth without ever needing a microwave top-up.

Made in Mainland China.

Why You'll Love It

• 3 Precise Temperature Settings: Choose between 55°C/131°F, 65°C/149°F, and 85°C/185°F to perfectly maintain warmth for coffee, milk, herbal tea, and more — without compromising flavour.
• Rapid Heating Surface: High-efficiency micro-crystalline glass surface heats quickly and maintains a steady temperature with whisper-quiet operation — ideal for offices, bedrooms, or libraries.
• Important Note: This warmer is designed to maintain the temperature of already-warm beverages. It is not intended to heat cold drinks from scratch.
• USB-Powered & Portable: Runs on 5V 2A USB power (10W rated), compatible with laptops, power banks, and USB wall adapters — making it a perfect travel or desk companion.
• Universal Fit: Accommodates flat-bottomed cups, mugs, pots, and bowls of various sizes.
• 8-Hour Auto Shut-Off: Built-in power-off protection shuts the device down after 8 hours for peace of mind and energy savings.
• Anti-Slip Base: Four rubber foot pads keep the warmer and your cup firmly in place, preventing spills and slipping.
• Hydration Reminder: A 1-hour audible alert reminds you to take regular sips — great for staying hydrated throughout the day.
• CE Certified: Meets European safety standards so you can use it with confidence.

Specifications

What's in the Box?

• 1× Warming Cup Pad (AFDEAL Rst-77)
• 1× USB Cable (119.5 cm)
• 1× 16-Language Instruction Manual
• 1× Colour Gift Box

Perfect Pairings from Our Store

Love your hot drinks? Check out these related products:

• Electric Pepper & Salt Grinder Set with LED Light — elevate your kitchen game with smart kitchen gadgets.
• 1.3L Cool Mist Humidifier with LED Night Light — create a comfortable, cosy home environment while you enjoy your warm beverage.

Energy & Safety Reference

For guidance on energy-efficient appliance use at home, visit the U.S. Department of Energy – Home Office Equipment page for tips on reducing energy consumption with small appliances.

Frequently Asked Questions

Q: Can the AFDEAL coffee mug warmer heat a cold drink?

A: No — the AFDEAL Rst-77 mug warmer is a thermostatic device designed to maintain the warmth of already-hot beverages such as coffee, tea, or milk. It cannot bring a cold drink up to a warm temperature. Always pour a hot drink first, then place it on the warming pad to keep it at your preferred temperature.

Q: What power source does this electric cup warmer use?

A: The mug warmer uses a standard 5V 2A USB connection, drawing just 10W of power. You can plug it into a laptop USB port, a USB wall adapter, or a power bank — making it incredibly versatile for home, office, or travel use.

Q: How do I set the temperature on the coffee mug warmer?

A: Simply use the touch control panel on the device to cycle through the three temperature settings: 55°C (131°F), 65°C (149°F), and 85°C (185°F). Choose the warmth that suits your beverage and personal preference.

Q: Does the AFDEAL mug warmer turn off automatically?

A: Yes! The cup warmer features an 8-hour automatic shut-off function for safety and energy efficiency. It also includes power-off protection to prevent overheating.

Q: Is the mug warmer compatible with all cups and mugs?

A: The warmer is compatible with any vessel that has a flat bottom, including mugs, cups, small pots, and bowls. Four anti-slip foot pads on the base keep everything stable during use.