Long Life: Using superior ABS material, our products have been tested to start and stop more than 25000 times and can be used stably for 5-7 years.Even with frequent use, it will not degrade in performance.UPGRADE FILTER SYSTEM: Our product adopts glass sponge filter media containing silver ionic fiber, effectively filter dust and germs, and enjoy a healthy breeze.SMART HEATING & HEATING CHANGE: When the ambient temperature is less than 25 degrees, you can turn on the heating and cooling airWhen the ambient temperature is above 47°F (25°C), you can turn on the ambient wind.You can switch between furnace and wind machines with the press of a button.Prevents cross-contamination due to contact: Just place your hand in the air vent after washing your hand, no need to touch the body, avoid the problem of bacteria caused by wiping your hands with a towel or wiping your hands with paper napkins.Low Noise: Due to the aerodynamic motor noise reduction and proper guidance of surrounding air flow, it greatly reduces turbulence and optimizes wind channels and reduces noise.