Immediately heating and silence working. It adopts PTC corrugate aluminium heater and it can heat quickly. When plug in power, it will heat immediately and you can enjoy the warmth that it gives you quickly. Resist to deformation in high temperature. It will power off automatically if the temperature is too heat. With a rotatable support to get an appropriate supporting angle. The support adopts anti slip material so you can put the warmer on it directly. Safe disconnect-type power supply. If you don’t use the warmer, you can unplug the power cable and storage it conveniently. Mini size and light. You can use it on the bed or any where by one hand. It is convenient.