Electric Coffee Mug,Self Heating Coffee Mug,Coffee Warmer with Mug Set for Desk,Coffee Gifts,Powered by USB DC-5V
This self-heating coffee mug can keep hot coffee, tea, milk, or cocoa hot to about 131℉-140℉ (with lid)
Perfect appreciation gifts for coffee lovers,say goodbye to boring old-fashioned coffee mug warmer.
Notes:
*Heated mug does not contain a built-in battery, it needs to be connected charger to use it. It is recommended to use a 5V-2A,QC 3.0 or PD charger.
*This Coffee cup warmer with mug set is designed to keep your hot drinks warm, it would take a long time to heat up cold drinks.