1Fast Heating: Portable warmer adopts PTC corrugated aluminum heater, which will heat immediately after plugging in the power supply, so that you can enjoy its warmth quickly. 2Small Lightweight: Desk warmer is designed with mini size, which is small, does not take up too much space, and is very light, and can be picked up with one hand, so it is very portable. 3Low Noise: Mini heater will not make noise when heating, and its silent working mode will not affect your sleep or study. 4Convenient Storage: Mini space heater is designed with disconnected power supply. If not in use, you can unplug the power cord, which is safe and convenient for storage. 5Rotating Bracket: Mini electric space air warmer has a rotating anti slip bracket to get the right angle to meet your needs.