Bladeless & Cooling: Our bladeless neck fans use 2 turbo motors to deliver cool air from 60 dedicated air outlets, carrying heat from your neck to your cheek and chest instead of the traditional fan blade. Never worry about your hair or beard getting stuck again; simply wrap them around your neck and enjoy a cool breeze Long-lasting Battery: With a built-in 2000mAh rechargeable battery, this Wind Collar Fan Works 3.5-9 hours and works long enough to carry around all day; it uses the latest USB C charging technology to charge quickly and easily even through a power bank, keeping you cool all day even in a power outage or on the go. p> Ideal Solution for Summer: Hands-free, lightweight and curved design, the portable fan stays stable around your neck (won't slip like others), whether you're in the office, bedroom, bathroom cooking, whether you need it. Powerful outdoor activity. Activities: Golf, Mowing, Gardening, Walking, Sightseeing, Traveling, Camping Adjustable Collar: To meet most people's needs, we tested 2,000 times and finally improved the design of the lap neck to accommodate different neck sizes to ensure suitable for adults with large necks and children with small necks; durable and flexible silicone sleeves on the neck are soft and comfortable to wear around the neck Gifts for everyone: our usb fans have no fan blades and are safe for children and even pets; 360 degree ventilation, hands-free air cooler, surprise dads who work outdoors; protects makeup from sweat, a compact mini fan for women, can be hung around the neck or in a bag