Heating Mechanism:
The heating pad uses magnetic induction energy to heat the metallic layering on the bottom of the mug, or other methods like gravity sensing or touch control.
Features:
It's designed to keep beverages at a constant warm temperature, often around 55°C, and some models include automatic shut-off when the mug is removed.
Portability & Power:
These warmers are often compact and portable, suitable for daily use at home or office, and can be powered by various voltages or even USB.
Material:
The mug is typically made of ceramic, while the heating pad may feature an aluminum or glass panel.