The Hotdryer is a warming & drying appliance for shoes & gloves which can be plugged into the cigarette lighter in your car (12V) or into a universal charger. It is compact & specially designed to be inserted deep inside shoes or gloves. This technology blows warm air thanks to its two efficient blowers. Ideal for skiing: it means that you can warm up your shoes & gloves before skiing & to dry them out during your journey home. Can also dry & warm all other types of shoes. For any questions concerning the use of Hotdryer, please refer to the instructions for use.