Portable shoe dryer: dry and warm boots. Protects shoes from moisture and sweat so your feet are comfortable Fast heating, high temperature resistance, and oxidation resistance The newly upgraded PTC heater features five fold heating protection technology, ensuring safe and reliable constant temperature heating. It heats up quickly in seconds, with a thermal efficiency of up to 99%. The heat diffuses at a constant temperature of 45-65 degrees, avoiding high temperature damage to the shoes and drying them with peace of mind 360 degree circulating heat dissipationMultiple heat dissipation holes are densely distributed on both sides of the body, forming a circulating heat flow in the shoe space during heating, and even dead corners can be evenly dried adopts ABS+PC high-density material, which is resistant to pressure and high temperature, and is not easy to burn or deform Suitable for various shoe types The appearance design is compatible with various shoe types, such as leather shoes/sports shoes/board shoesort boots/snow boots/cotton slippers, etc. Before going out, dry and comfortable, prevent athlete's foot, whether it's spring, summer, autumn, or winter, it provides you with a faster shoe drying experience