The Therm-ic Refresher is a perfect way to prevent your ski boots or gloves from getting funky. This USB chargeable Refresher uses UV to prevent bacteria, germs and odors from starting after you have been out in the powder all day. The adjustable arms are able to accommodate any size ski boot and make the Refresher more compact for packing. The fan is silent that allows you to sleep when you are five deep in a hotel room. In just a few hours your boots will be dry and ready to go for another day on the slopes. USB Charging Port, Compact and Silent, Time Controlled, Fits in Nearly all Types of Footwear, Works for Gloves, Adjustable Length, Battery Heated: No, Model Year: 2022, Product ID: 483248, Model Number: T48-0100-002, GTIN: 3661267096785