After the Philips Fresh Air Mask is turned on, the fan instantly begins to rotate, and its speed is divided into three gears, and it cycles between off >1 gear >2 gear >3 gear >off every time it is pressed. Philips Fresh Air Mask redefines breathing comfort with its AirPower fresh air power system. Making the mask a fashion accessory you'll be happy to wear every day as it molds your face into a V-shape with N95-rated filtration protection and UPF50+-rated UV protection.