12oz Self Heating Coffee Warmer with Mug Set

This self heating coffee mug powered by USB 5V,built-in MCH ceramic heating element at the heated mug bottom,heating speed is faster, won't burn your hands, when the mug is placed on the power base, the heating and heat preservation function is automatically activated,keep your drink perfectly hot. The heated mug made of high quality food grade stainless steel,BPA-free,sleek and rugged,Scratch resistant,easy to clean.Cup lid with food-grade silicone sealing ring, maximum leakage and dustproof and help maintain the ideal temperature for longer periods of time. This mug warmer does not contain a built-in battery, it needs to be connected to a charger to use it. It is recommended to use a 5V 2A,QC 3.0 or PD charger.This heated mug is designed to keep your hot drinks warm.