Ergonomic design, light weight and no sensation when worn for a long time Dust-proof structure, unique opening design to avoid accumulation on fan Each for adopts a dual-channel air design to improve the wind collection effect Fan and wind holes are designed to cut the air more effectively and feel the cool wind Innovative design: The air guide, like natural wind, is cool and comfortable, and refuses to blow directly Fan all-inclusive design, suitable for long and short hair, do not worry about sucking hair