Product feature: Smart constant temperature, fast drying, 220v power The primary function of a shoe dryer is to eliminate moisture from your shoes, preventing them from becoming damp and musty.Shoe dryers are suitable for all types of footwear, from sneakers and boots to athletic shoes and dress shoes, making them a versatile investment for any shoe lover. Note: There might be an error of 1-3 cm due to manual measurement, and slight color differences may occur as a result of varying lighting and monitor effects.