1. Made of walnut wood and metal materials, heats evenly, safe and durable.
2. Powered by any device with 5V output USB port, such as your computer, desktop, laptop, tablet, mobile power, etc., easy and convenient.
3. Light weight and compact size, easy to carry and suitable for most stainless steel cups, baby bottles, ceramic cups, glass tumblers, etc.
4. Keep your coffee, tea or other hot drink hot up to 80℃, don't worry about high temperature and high oxidation, safe to use.
5. Ideal for use at home and in the office as it keeps you warm on cold days.

Speculation:
Description:
This mug warmer mat is made of walnut wood and metal materials, heats evenly, safe and durable, walnut wood grain and soft to the touch. It is powered by any device with 5V output USB port, such as your computer, desktop, laptop, tablet, mobile power etc, easily and conveniently. Ideal for use at home and in the office as it keeps your drink warm on cold days.
Features:
Made of walnut wood and metal materials, heats evenly, safe and durable.
Powered by any device with 5V output USB port, such as your computer, desktop, laptop, tablet, mobile power etc, easily and conveniently.
Light weight and compact size, easy to carry and suitable for most stainless steel cups, baby bottles, ceramic cups, glass tumblers, etc.
Keep your coffee, tea or other hot drink hot up to 80℃, don't worry about high temperature and high oxidation, its use is