Safe Blade DesignThe neck fan adopts the latest bladeless design, you don't have to worry about your hair being taken off the sheets of the fan. The portable neck fan is soft and hypoallergenic for optimal comfort. Adjustable 3 Speed & 360 CoolingThe portable USB fan has 3 different wind speeds. Meet all your needs. 360 cooling design increases the air volume by 90% providing enough airflow to keep you cool High Capacity 3600mAh BatteryThe USB neck fan can work for 3-9 hours(depending on different speeds) to keep you cool in hot summer. Compatible with computers, laptops, and USB output chargers. A full charge only takes two hours. Hands-free designPortable hands-free fan, inspired by the design of the earphones. The portable fan weighs about 0.2kg and will not fade the neck. Keep Class in hot weather! Best Gift & Wide UseOthers Already sweat, you can stay cool all the time. The blade-free fan is perfect for personal cooling, indoor kitchen, reading, sports, office, travel, walking and other outdoor activities. Free your hands, free your life!