USB Cup Mug Warmer Wood & Metal Home Office Heater Coaster

CPN-564929356

Made of walnut wood and metal materials, heating evenly, safe and convenient to use. Powered by any devices with output 5V USB port, such as your computer, desktop, laptop, tablet, mobile power and so on, easy and practical. Lightweight and compact size, easy to carry and suitable for most stainless-steel cup, feeding bottle, ceramic cup, glass cup, etc. Keep your coffee, tea or other hot beverage warm up to 80-degree C, do not worry about high temperature and high oxidation, safe to use. Great for use at home and office, keeping your brew warm on cold days.