[Bladeless Safety Design]: This portable neck fan applies bladeless/leafless design, 90 Surround Air Outlets provides more safety compare to traditional models. Don' t need to worry about your hairs caught by the blades, and you can feel confident to [Ergonomic U-Shape Design]: This bladeless neck fan only weighs 240 grams, and well U-shaped according to ergonomic design , feel zero gravity and pressure when you put it on your neck.Hand free neck fan was designed to look like a headphone, you can [360° Surround Cooling]: Portable neck fan adopting an unique air outlet shape design, super strong wind gathering and double airflow. Boosted the wind flow by 90%, your entire face and neck around will feel the cooling. Brings you a chill and cozy s [Large Capacity Battery]: Hands free bladeless neck fan Upgraded 4000mAh large capacity battery,neck air conditioner only takes 4 hours to fully charge, supports 6-12 hours working time depends on different speed levels. [Strong Wind and 3 Speeds Adjustable]: Cooling neck fan supercharged motor brings strong winds to your face and neck, and you can adjust the wind speed in 3 levels, the speed levels can be seem on LED display on it.