USB Cup Heater Tray Pad has a pocket size, and easy to take anywhere.
This product is made of stainless steel material which is a quick heating place tool. It has a power supply by USB plug or adapter with 1m USB cable which is enough almost anywhere.
It is easy to use with on and off switch control with blue LED when warmer is on, and the plate gets hot in 10 seconds
Widely use for coffee, tea, hot cocoa, and any other beverages in household, office, and other outdoor activities!