[Portable]: Small size, lightweight, easy to carry, suitable for leather shoes, cloth shoes, boots, rain boots, gloves, etc. [Auto power off]: Support intelligent timing, you can easily choose 3H/6H/9H automatic power off according to your own needs. [Function]: Dry, warm, eliminate unpleasant odors! Protect your shoes from moisture! Warm your boots on cold winter mornings. For drying gym shoes and athlete's foot shoes. [Power heating]: Built-in powerful intelligent core, automatic identification of current, converting it into active current. Front louver design allows you to dry your shoes. High-quality materials: Durable, wear-resistant and can be used for a long time. USB interface configuration, 5V current access, can be used anytime and anywhere.